Merge pull request #690 from jeffreythomas/dev

User permissions and browse issues
[BISEVER-9642] -- added styling to SolutionTree icons
Merge pull request #691 from krivera-pentaho/dev

[BISEVER-9642] -- added styling to SolutionTree icons
[BISERVER-9025] removing ISolutionRepository references from codebase
Merge pull request #692 from wgorman/master

[BISERVER-9025] removing ISolutionRepository references from codebase
BISERVER-9452 - UX theme changes
Merge pull request #693 from rfellows/dev

BISERVER-9452 - UX theme changes
Added a null check to sorting algorithm.