TNL-481: Add RequireJS Optimizer.
Update js-test config with new sources
Annotation Tools: Updated Share plugin from version 1.0 to v1.1
Annotation Tool: Fix Share Plugin style and spacing

 - fixed parseInt issue

 - PR fixes
Update django version to 1.4.16
Merge pull request #5518 from edx/anton/requirejs-optimizer

Add RequireJS Optimizer.
Merge pull request #5698 from edx/tim/django-1.4.16

Update django version to 1.4.16
Add note about provisional status to annotation problem type
Merge pull request #5694 from edx/sylvia/docs/DOC-842

Add note about provisional status to annotation problem type
Merge pull request #5667 from lduarte1991/lduarte-harvardx-pr33

Annotation Tools: Upgrading Share plugin from v1.0 to v1.1