Clean up _getFileExtension() method and fix all its callers
fixed unnecessary escaping
+fixes
getLastIndexOf > lastIndexOf
- unnecessary var decl
czech language - sprint 30

updated
Merge branch 'master' into jeff/pr4846
Final changes to code review needed to get this into sprint 31
detect pending text insertion that's not reflected in hint list
changes for code review
Fix hrefs in Czech translation
Apply HTML sytax highlighting to ASP.NET MVC View Master Page (.master) files.
clear highlights and Find selection color when modal bar closes
only need to handle closeOk and close events
Return the result of calling the original jquery focus() function

This commit
https://github.com/adobe/brackets/commit/8e5ad957333593fb5b6bc4f73d4c3121da811682
fixed a focus issue with HTML menus. On Linux (where we still use HTML
menues), the new implementation of focus didn't return the result when
calling the original jquery focus implementation.

The result was an error opening modal dialogs like Extension Manager,
About Box, etc.
The dialogs didn't work properly anymore due to this error:
"Uncaught TypeError: Cannot call method 'trigger' of undefined" in bootstrap-
modal.js

This fix returns the result from calling the original focus function.
Amend PR #5311 with an comment and issue ref.

As per discussion in PR #5311, related to issue #5310.
When switching documents from QuickOpen, pop the modal bar out before switching and animate after
First pass.
Less bright.
code cleanup