Added simple cov
Added gem for code coverage
Merge branch 'add_to_master' of https://github.com/MGhanem/smartsoft-13 into C4_nourhanZ_C4F1_ListOfUnVotedWords
[Issue #93][WIP] completed the tests to covers 100% of the lines
[Issue #93][Finished] change some lines in the code to follow code conventions
Added better_errors
[Issue #188] [WIP] adds the export_to_xml action to projects controller
[Issue #93][Finished] fixed the code and doc reviewers comments
[Issue #188] [WIP] adds export to xml and export to json actions to projects controller
[Issue #188] [WIP] modifies UML
Merge branch 'master' of https://github.com/MGhanem/smartsoft-13 into C1_khloud_C3S21_export_project_data
[Issue #188] [WIP] fixes code to match code conventions and adds controller tests
[Issue #188] [WIP] fixes documentation and modifies view
Merge branch 'master' of github.com:MGhanem/smartsoft-13 into add_to_master

Conflicts:
	arability/Gemfile
[Issue #188] [WIP] uncomments commented lines in projects_controller
[Issue #188] [WIP] adds appropriate returns to export actions
[Issue #188] [WIP] removes arability/app/views/projects/show.xml.builder
[Issue #188] [WIP] modifies test code to match code conventions
[Issue #188] [WIP] modifies test code to match code conventions
adding migration to add colomn showTutorial to gamer