Add provider and uid fields to User model, as required by Omniauth.

Issue #74 and #91 need this
Remove redundant attr_accessible from User model.
Merge pull request #127 from DevYah/C1_mnzaki_#74_omniauth_migrations

Add provider and uid fields to User model, as required by Omniauth.
Merge branch 'master' of https://github.com/DevYah/coolsoft-13
4 Sketches for S2.2,2.3,2.7 and 2.8 respectively

tried to stay consistent with the scenarios and the other sketches
Revert "Revert "Add gitignore file for rails specific files.""

This reverts commit 49a8981dc753673495524ca8630146d0db15367c.

No. You will not remove the gitignore file.
Update .gitattributes

Make sure image files are treated as binary.
Renormalize line endings for two layout files.
Issue #89, migration needed for table UserRating

Id column has to be available for correct insertion of records.
Merge pull request #135 from DevYah/C3_MahmoudHashish_#89_user_ratings_migrations

Issue #89, migration needed for table UserRating
added migration for users' photos
added necessary changes to user model
Merge pull request #136 from DevYah/C4_Hesham_Add_Photo_User

C4 hesham add photo user
Remove .gitattributes file

It was setup incorrectly. Will be brought back later.
Merge branch 'master' of github.com:DevYah/coolsoft-13
Merge branch 'master' into C2_mohammad-abdulkhaliq_#96_approve_committee

Conflicts:
	sketches/S2.2_invite_member.jpg
Issue #96 Tests moved admin actions to users controller added filter