eat tab and context menu keys
let context menu keys trickle up
merge with master
String tweaks:
* Empty pane message: say "pane" instead of "view", and say "open" instead
of "select" (to reduce the confusion in #9254)
* JS File Inference Problem dialog: ask users to file a Brackets bug; fix
capitalization; format more like other errors that call out a filename.
* Remove unused UNSUPPORTED_FILETYPE error & its corresponding string (I
think this was leftover from an earlier part of splitview)
Rename input appearance is now much closer to that of release 0.43
Set the context-node class on the input so that the context marker is in the right place.
Update Galician lang
- simplify the css class handling
Click to rename works on a timeout.

This is more like the earlier implementation of click-to-rename and provides more
consistent behavior for double clicking to add to working set.

Fix for #9200.
Merge branch 'master' into dangoor/9200-double-click

Conflicts:
	src/project/FileTreeView.js
Revert to the previous selection in the file tree if there's an error.

Fix for #9313.
don't rescan doc when reattaching to editor
Merge pull request #9320 from adobe/randy/issue-9303

Don't rescan doc for html instrumentation when reattaching to editor
make sure there's an editor
Merge remote-tracking branch 'origin/master' into randy/issue-9331
Merge pull request #9332 from adobe/randy/issue-9331

Make sure editor exists
Merge pull request #9308 from adobe/dangoor/9200-double-click

Click to rename works on a timeout.
- avoid the jumping lines
Merge branch 'master' into dangoor/rename-appearance

Conflicts:
	src/project/FileTreeView.js
Merge pull request #9288 from adobe/dangoor/rename-appearance

Fix appearance of rename input