Remove hardcoding of key syntax for base url
and /static and /jump_to_id link substitutions
LMS-11198
Annotation Tools: Explicit typecasting === changes and reorganizing plugins
Ignore errors on rmtree cleanup
Update redirect and wording for prof ed

- Changes registraiton button text for professional ed courses
- Professional ed courses do not see "choose your track" page; go straight to verification flow
Adapt flow for new 'professional' mode.

ECOM-41
Add integration tests for professional ed flow
LMS: adding rendering/styling support for initial professional ed course types on student dashboard
Consider profession ed courses as paid courses.

ECOM-63
Merge pull request #4798 from edx/zoldak/rmtree-cleanup

Ignore errors on rmtree cleanup
Studio: refactoring font-size to use Sass mixin
* moving font-size to use @include font-size() mixin
* re-organizing vendor reset styling into _vendor.scss override rather than _reset.scss
* initial rule re-organization and minor line-height tweaks
Studio: refactoring font-size to use existing Sass scale-based placeholders
Merge pull request #4791 from edx/talbs/studio-stylesweep-fontsize

Studio: Refactoring font-size CSS rules to use Sass mixins/placeholders
Merge pull request #4759 from edx/dhm/key_munging

Remove hardcoding of key syntax for base url
 - replaced tabs with 4 spaces

 - fixed spaces after commas, if conditions, braces, operators
 - fixed some typecasting issues as well

 - added missing semicolons
jquery.immediateDescendents cannot be loaded until jQuery is loaded.

STUD-1999
Merge pull request #4801 from edx/prof-ed-cherry-picked-changes

hotfix-2014-08-12
Merge pull request #4815 from edx/christina/bug-1999

jquery.immediateDescendents cannot be loaded until jQuery is loaded.
Verify loading indicator has been hidden.

STUD-2090
Fixed merge conflict between release and master.
Merge pull request #4819 from edx/minimaster

Resolving merge conflict between master and release