[WIP][issue #190]tweet button has been implemented and integration is left
[WIP][issue #190]implementation has been modified to make modify the invitation message
[WIP][issue #190] Documentation written
[MC][issue #190]
[WIP][issue #190]place for twitter invitation built
[WIP][issue #190]story modified and integrated with game view, code cleaned, and story finished
[WIP][issue #190] our app has been mentioned in invitation tweet
[WIP][issue #190] documentation spacing modified
[MC]
Merge branch 'game_theme' of https://github.com/MGhanem/smartsoft-13 into C2_Omar-Hossam_C2S6_gamer-tweet-arability-invitation