Merge pull request #978 from lynnaloo/master

Removed trailing spaces
Fix error messages for know errors.
extend build test timeout
Merge pull request #982 from shackbarth/master

extend build test timeout
fixed #21855 list relation selection
Expose projectTask to REST API so it can build select lists for it in forms.
Merge pull request #985 from bendiy/expose_projecttask

Expose projectTask to REST API so it can build select lists for it in fo...
Merge pull request #979 from bendiy/error_messages

Fix error messages for know errors.
Merge remote-tracking branch 'XTUPLE/master'
Added rules to Less file for CssLint
Added rules for CssLint
added another warning to ignore list
Removed IE compatibility rule
Merge pull request #990 from lynnaloo/csslint

Csslint - Added rules to screen.less for csslint
Merge pull request #984 from tjwebb/21855

fixed #21855 list relation selection
Fixed .gitattributes file