Sort Working Files locale-aware
Remove unnecessary locale check
Get out of the infinite loop by allowing to scan backwards when the current token is a comment.
Rearrange the logic for clarity and add a new unit test.
Merge remote-tracking branch 'upstream/master' into workingset-sort-locale
Add unit tests
Merge remote-tracking branch 'upstream/master' into workingset-sort-locale

Conflicts:
	test/spec/FileUtils-test.js
Fix the unit test issue and replace `while (true)` loop with clearer logic in `do … while` loop.
Better handling for FS events in the tree.

This is a fix for #9215. There were edge cases that weren't properly handled in the
FileTreeViewModel and also it appears that the filesystem sends events with just
a directory entry and no added/removed that could indicate that a directory newly
exists.
Merge remote-tracking branch 'upstream/master' into workingset-sort-locale
Whitespace changes
fix alignment nit
Merge pull request #9235 from adobe/dangoor/9215-ftvm-exception

Better handling for FS events in the tree.
Merge pull request #8971 from MarcelGerber/workingset-sort-locale

Sort Working Files locale-aware
add split view menuitems to view menu
Merge pull request #9006 from adobe/rlim/hang-in-css-comment

Fix infinite loop by ensuring loop always makes progress when the current token is a comment.
Merge pull request #9266 from adobe/randy/issue-9260

Add Split View menuitems to View menu