The LMS should serve favicon.ico also when a theme is enabled.
Annotation Tools: Removed background-color from image annotations

- Also fixed edit bug when annotation is not created first
- Also fixed indentation issues
XBlocks can disable navigation chrome.

There is an option to:
* Enable/disable accordion navigation
* Enable/disable/repoint tab navigation

This allows for full-screen XBlocks (e.g. a code IDE, or large video
player). It is also the first pass at allowing top-level XBlocks. It's
also now possible to make a chromeless XBlock, point a tab to it, and
make it point back to that tab.

Next steps down that path would be:
* Fix up how tabs are handled. The current version is a hack.
* Create appropriate XBlocks for courseware, tabbed navigation,
  etc. to reach feature parity
* Invert/rejigger the XML format.
Removed suppress_top_level_nav, as per Cale
Explicit disable_accordion
Review from Cale
Review from Cale
Fixes: DOC-392, shared preface listing resources for different types of audiences
Merge pull request #4164 from edx/ahodges/documentation/DOC392

Draft for DOC-392
Annotations Tools: Commented OSDA code and added clarification to catch changes
Corrected all links in preface, added to dev and data guides
Add Tamil language
Add Amharic language
Add possibility to run bok_choy tests in local env.
Update translations (autogenerated message)
Merge pull request #4183 from edx/sarina/062314-language-update

Sarina/062314 language update
ORA2 release-2014-06-23T13.19
Remove FAQ link in header when disabled
Merge pull request #4180 from edx/ahodges/documentation/preface

Corrected all links in preface, added to dev and data guides
Moving these tools to i18n-tools repo