Fix bug #3963 (Home/End goes to start/end of entire line, not just current
line-wrapped segment) -- Use new CodeMirror command that joins "goLineLeft"
(line-wrap aware Home) with the "smart home" indent-aware behavior we still
want.
Code review: fix indent nit
Add React and Immutable
Update React to 0.11.2 and Immutable.

Immutable is [this version](https://github.com/facebook/immutable-js/blob/9fedc9883a252731faf5d18096af6d52a4b5fd68/dist/Immutable.js)
Merge pull request #9145 from adobe/alf_localization

ALF Automation
Merge pull request #9144 from adobe/dangoor/add-react

Add React and Immutable
Merge pull request #9115 from adobe/pflynn/linewrap-homeend

Fix bug #3963 (Home/End goes to start/end of entire line, not just current line-wrapped segment)
fix 9137, 9143
Merge pull request #9149 from adobe/randy/issues-9137-9143

Hide Options button when Working Set hidden