improving the game vote form
Merge branch 'rolling_master' of https://github.com/MGhanem/smartsoft-13 into rolling_master

* 'rolling_master' of https://github.com/MGhanem/smartsoft-13:
  [Issue #209][WIP] Salma commited show project files
  [Issue #179] [WIP] merges actions add_word and change_synonym
  [Issue #179] [WIP] updates methods for adding and changing keywords in a project
  [Issue #179] [WIP] adds documentation to change_synonym method
  [Issue #179] [WIP] adds change_synonym method that changes the synonym of a given keyword in a project
  [Issue #179] [WIP] adds documentation to add_word method
  [Issue #179] [WIP] adds add_word method which adds a new word to a project
  [Issue #179] [WIP] adds project-word model