[issue #353] [WIP] makes the keyword clickable to redirect to the keyword page
[issue #353] [NW] adds controller methods of adding new keyword, updating synonym and loading synonym list for the drop down menu
[issue #353] [WIP] fixes the previously not working updating synonym form drop down menu
[issue #353] [WIP] adds the ajax requestfor the controller methods, updates routes
[issue #353] [WIP] adds the javascript functions in the load_synonyms view file
[issue %353] [WIP] implements the autocomplete for keyword search inside project view
[issue #353] [WIP] fixes a bug in adding a keyword without a synonym
[issue #353] [WIP] fixes translation of the placeholder of drop down menu
[issue #353] [WIP] changes a translation
[issue #353] [FC] fixes conflicts
[issue #353] [WIP] removes a forgotten alert
[issue #353] [WIP] removes unwanted commented lines
[issue #353] [NW] adds sorting by category of the words autocomplete
[issue #353] [WIP] fixes a bug of selecting a word with a star from autocomplete dropdown
[issue #353] [WIP] fixes a bug and completes sorting works by categories in the autocomplete
[issue #353] [WIP] adds the the category to words if not present and fixing documnentation
[issue #353] [WIP] adds test file
[issue #353] [WIP] adds UML
Merge branch 'master' of https://github.com/MGhanem/smartsoft-13 into c1_kareemalirahman_c3s28_addKeywordToProject

* 'master' of https://github.com/MGhanem/smartsoft-13:
  [Issue #188] [WIP] modifies UML
  [Issue #188] [WIP] modifies UML
  [Issue #188] [WIP] modifies test code to match code conventions
  [Issue #188] [WIP] modifies test code to match code conventions
  [Issue #188] [WIP] removes arability/app/views/projects/show.xml.builder
  [Issue #188] [WIP] adds appropriate returns to export actions
  [Issue #188] [WIP] uncomments commented lines in projects_controller
  [Issue #188] [WIP] fixes documentation and modifies view
  [Issue #188] [WIP] fixes code to match code conventions and adds controller tests
  [Issue #188] [WIP] modifies UML
  [Issue #188] [WIP] adds export to xml and export to json actions to projects controller
  [Issue #188] [WIP] adds the export_to_xml action to projects controller
  Added better_errors
  Added gem for code coverage
  Added simple cov
[issue #353] [fixed] fixes the sequence diagram