fix#549: There should be a tab on the admin das, The tab should conta…
…in a list of all existing messages, The admin should be able to edit the text of the followi.., offere
Work on messsages / forms
fix#549 many fixes and new features
fix #549 to new specs
fix #549 fixed bugs, and add tests
fixed #549 remove CKEditor, allow get message_types only from dropdown, also the same with lang, fix tests
Remove unused code: ckeditor
Ckeditor deleted files
Merge branch 'polcode-feature549' into milestone

* polcode-feature549:
  Ckeditor deleted files
  Remove unused code: ckeditor
  fixed #549 remove CKEditor, allow get message_types only from dropdown, also the same with lang, fix tests
  fix #549 fixed bugs, and add tests
  fix #549 to new specs
  fix#549 many fixes and new features
  Work on messsages / forms
  fix#549: There should be a tab on the admin das, The tab should conta… …in a list of all existing messages, The admin should be able to edit the text of the followi.., offere

Conflicts:
	Gemfile
	Gemfile.lock
	app/models/ability.rb
	app/models/exchange.rb
	app/models/preference.rb
	config/initializers/rails_admin.rb
	db/schema.rb
	spec/spec_helper.rb
Fix typo and add utf-8 declaration to seeds.rb