We tried to use your plugin with redmine 3.3 and have some issues with rake command, after the installation of your plugin.
Could you maybe fix this?
rake --trace redmine:plugins:migrate && service apache2 reload
** Invoke redmine:plugins:migrate (first_time)
** Invoke environment (first_time)
** Execute environment
rake aborted!
ArgumentError: Unknown key: :include. Valid keys are: :class_name, :anonymous_class, :foreign_key, :validate, :autosave, :dep endent, :primary_key, :inverse_of, :required, :as, :foreign_type
/var/lib/gems/1.9.1/gems/activesupport-4.2.6/lib/active_support/core_ext/hash/keys.rb:75:in `block in assert_valid_keys'
/var/lib/gems/1.9.1/gems/activesupport-4.2.6/lib/active_support/core_ext/hash/keys.rb:73:in `each_key'
/var/lib/gems/1.9.1/gems/activesupport-4.2.6/lib/active_support/core_ext/hash/keys.rb:73:in `assert_valid_keys'
/var/lib/gems/1.9.1/gems/activerecord-4.2.6/lib/active_record/associations/builder/association.rb:82:in `validate_options'
/var/lib/gems/1.9.1/gems/activerecord-4.2.6/lib/active_record/associations/builder/association.rb:62:in `initialize'
/var/lib/gems/1.9.1/gems/activerecord-4.2.6/lib/active_record/associations/builder/association.rb:47:in `new'
/var/lib/gems/1.9.1/gems/activerecord-4.2.6/lib/active_record/associations/builder/association.rb:47:in `create_builder'
/var/lib/gems/1.9.1/gems/activerecord-4.2.6/lib/active_record/associations/builder/association.rb:35:in `build'
/var/lib/gems/1.9.1/gems/activerecord-4.2.6/lib/active_record/associations.rb:1386:in `has_one'
/usr/share/redmine/plugins/advanced_membership_management/lib/advanced_membership_management/user_patch.rb:13:in `block in in cluded'
/usr/share/redmine/plugins/advanced_membership_management/lib/advanced_membership_management/user_patch.rb:10:in `class_eval'
/usr/share/redmine/plugins/advanced_membership_management/lib/advanced_membership_management/user_patch.rb:10:in `included'
/usr/share/redmine/plugins/advanced_membership_management/lib/advanced_membership_management/user_patch.rb:25:in `include'
/usr/share/redmine/plugins/advanced_membership_management/lib/advanced_membership_management/user_patch.rb:25:in `<top (requi red)>'
/var/lib/gems/1.9.1/gems/activesupport-4.2.6/lib/active_support/dependencies.rb:457:in `load'
/var/lib/gems/1.9.1/gems/activesupport-4.2.6/lib/active_support/dependencies.rb:457:in `block in load_file'
/var/lib/gems/1.9.1/gems/activesupport-4.2.6/lib/active_support/dependencies.rb:647:in `new_constants_in'
/var/lib/gems/1.9.1/gems/activesupport-4.2.6/lib/active_support/dependencies.rb:456:in `load_file'
/var/lib/gems/1.9.1/gems/activesupport-4.2.6/lib/active_support/dependencies.rb:354:in `require_or_load'
/var/lib/gems/1.9.1/gems/activesupport-4.2.6/lib/active_support/dependencies.rb:317:in `depend_on'
/var/lib/gems/1.9.1/gems/activesupport-4.2.6/lib/active_support/dependencies.rb:233:in `require_dependency'
/usr/share/redmine/plugins/advanced_membership_management/init.rb:6:in `block in <top (required)>'
/var/lib/gems/1.9.1/gems/activesupport-4.2.6/lib/active_support/callbacks.rb:446:in `instance_exec'
/var/lib/gems/1.9.1/gems/activesupport-4.2.6/lib/active_support/callbacks.rb:446:in `block in make_lambda'
/var/lib/gems/1.9.1/gems/activesupport-4.2.6/lib/active_support/callbacks.rb:192:in `call'
/var/lib/gems/1.9.1/gems/activesupport-4.2.6/lib/active_support/callbacks.rb:192:in `block in simple'
/var/lib/gems/1.9.1/gems/activesupport-4.2.6/lib/active_support/callbacks.rb:504:in `call'
/var/lib/gems/1.9.1/gems/activesupport-4.2.6/lib/active_support/callbacks.rb:504:in `block in call'
/var/lib/gems/1.9.1/gems/activesupport-4.2.6/lib/active_support/callbacks.rb:504:in `each'
/var/lib/gems/1.9.1/gems/activesupport-4.2.6/lib/active_support/callbacks.rb:504:in `call'
/var/lib/gems/1.9.1/gems/activesupport-4.2.6/lib/active_support/callbacks.rb:92:in `__run_callbacks__'
/var/lib/gems/1.9.1/gems/activesupport-4.2.6/lib/active_support/callbacks.rb:778:in `_run_prepare_callbacks'
/var/lib/gems/1.9.1/gems/activesupport-4.2.6/lib/active_support/callbacks.rb:81:in `run_callbacks'
/var/lib/gems/1.9.1/gems/actionpack-4.2.6/lib/action_dispatch/middleware/reloader.rb:83:in `prepare!'
/var/lib/gems/1.9.1/gems/actionpack-4.2.6/lib/action_dispatch/middleware/reloader.rb:55:in `prepare!'
/var/lib/gems/1.9.1/gems/railties-4.2.6/lib/rails/application/finisher.rb:50:in `block in <module:Finisher>'
/var/lib/gems/1.9.1/gems/railties-4.2.6/lib/rails/initializable.rb:30:in `instance_exec'
/var/lib/gems/1.9.1/gems/railties-4.2.6/lib/rails/initializable.rb:30:in `run'
/var/lib/gems/1.9.1/gems/railties-4.2.6/lib/rails/initializable.rb:55:in `block in run_initializers'
/usr/lib/ruby/1.9.1/tsort.rb:150:in `block in tsort_each'
/usr/lib/ruby/1.9.1/tsort.rb:183:in `block (2 levels) in each_strongly_connected_component'
/usr/lib/ruby/1.9.1/tsort.rb:219:in `each_strongly_connected_component_from'
/usr/lib/ruby/1.9.1/tsort.rb:182:in `block in each_strongly_connected_component'
/usr/lib/ruby/1.9.1/tsort.rb:180:in `each'
/usr/lib/ruby/1.9.1/tsort.rb:180:in `each_strongly_connected_component'
/usr/lib/ruby/1.9.1/tsort.rb:148:in `tsort_each'
/var/lib/gems/1.9.1/gems/railties-4.2.6/lib/rails/initializable.rb:54:in `run_initializers'
/var/lib/gems/1.9.1/gems/railties-4.2.6/lib/rails/application.rb:352:in `initialize!'
/usr/share/redmine/config/environment.rb:16:in `<top (required)>'
/var/lib/gems/1.9.1/gems/polyglot-0.3.5/lib/polyglot.rb:65:in `require'
/var/lib/gems/1.9.1/gems/polyglot-0.3.5/lib/polyglot.rb:65:in `require'
/var/lib/gems/1.9.1/gems/activesupport-4.2.6/lib/active_support/dependencies.rb:274:in `block in require'
/var/lib/gems/1.9.1/gems/activesupport-4.2.6/lib/active_support/dependencies.rb:240:in `load_dependency'
/var/lib/gems/1.9.1/gems/activesupport-4.2.6/lib/active_support/dependencies.rb:274:in `require'
/var/lib/gems/1.9.1/gems/railties-4.2.6/lib/rails/application.rb:328:in `require_environment!'
/var/lib/gems/1.9.1/gems/railties-4.2.6/lib/rails/application.rb:457:in `block in run_tasks_blocks'
/var/lib/gems/1.9.1/gems/rake-11.2.2/lib/rake/task.rb:248:in `call'
/var/lib/gems/1.9.1/gems/rake-11.2.2/lib/rake/task.rb:248:in `block in execute'
/var/lib/gems/1.9.1/gems/rake-11.2.2/lib/rake/task.rb:243:in `each'
/var/lib/gems/1.9.1/gems/rake-11.2.2/lib/rake/task.rb:243:in `execute'
/var/lib/gems/1.9.1/gems/rake-11.2.2/lib/rake/task.rb:187:in `block in invoke_with_call_chain'
/usr/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize'
/var/lib/gems/1.9.1/gems/rake-11.2.2/lib/rake/task.rb:180:in `invoke_with_call_chain'
/var/lib/gems/1.9.1/gems/rake-11.2.2/lib/rake/task.rb:209:in `block in invoke_prerequisites'
/var/lib/gems/1.9.1/gems/rake-11.2.2/lib/rake/task.rb:207:in `each'
/var/lib/gems/1.9.1/gems/rake-11.2.2/lib/rake/task.rb:207:in `invoke_prerequisites'
/var/lib/gems/1.9.1/gems/rake-11.2.2/lib/rake/task.rb:186:in `block in invoke_with_call_chain'
/usr/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize'
/var/lib/gems/1.9.1/gems/rake-11.2.2/lib/rake/task.rb:180:in `invoke_with_call_chain'
/var/lib/gems/1.9.1/gems/rake-11.2.2/lib/rake/task.rb:173:in `invoke'
/var/lib/gems/1.9.1/gems/rake-11.2.2/lib/rake/application.rb:152:in `invoke_task'
/var/lib/gems/1.9.1/gems/rake-11.2.2/lib/rake/application.rb:108:in `block (2 levels) in top_level'
/var/lib/gems/1.9.1/gems/rake-11.2.2/lib/rake/application.rb:108:in `each'
/var/lib/gems/1.9.1/gems/rake-11.2.2/lib/rake/application.rb:108:in `block in top_level'
/var/lib/gems/1.9.1/gems/rake-11.2.2/lib/rake/application.rb:117:in `run_with_threads'
/var/lib/gems/1.9.1/gems/rake-11.2.2/lib/rake/application.rb:102:in `top_level'
/var/lib/gems/1.9.1/gems/rake-11.2.2/lib/rake/application.rb:80:in `block in run'
/var/lib/gems/1.9.1/gems/rake-11.2.2/lib/rake/application.rb:178:in `standard_exception_handling'
/var/lib/gems/1.9.1/gems/rake-11.2.2/lib/rake/application.rb:77:in `run'
/var/lib/gems/1.9.1/gems/rake-11.2.2/exe/rake:27:in `<top (required)>'
/usr/local/bin/rake:19:in `load'
/usr/local/bin/rake:19:in `<main>'
Tasks: TOP => redmine:plugins:migrate => environment