SparkWidget: generalize autofocusing capability
TESTING: Local ace.dart package
Updated annotations to use setAnnotations per ace.dart change in 1.8
switched to gotoLine and removed selection code
Fix for walkFiles --> (entry as chrome.ChromeFileEntry) does not work if entry is a chrome.DirectoryEntry, however the opposite does work.
Fix.
Improve git clone dialog.
more fixes.
merge upstream/master
widgets have extends=" spark-widget\
Addressed comments.
Merge pull request #714 from dart-lang/clone_dialog

Clone dialog
Remove @host and other legacy CSS no longer used

Note about Dartium: Dartium by default doesn't support the newer rules; to turn on the support, the "Experimental Web Platform features" flag has to be turned on in chrome://flags.
Merge pull request #722 from ussuri/remove-legacy-css-rules

Remove @host and other legacy CSS no longer used
Merge pull request #670 from sunglim/generalize_focus

SparkWidget: generalize autofocusing capability
Revert "TESTING: Local ace.dart package"

This reverts commit 0faae91d834ebb2459d51a7d7d28e7a2ce9d4017.
Switched to 0.2.0
REVERT: Remove @host and other legacy CSS no longer used

Note about Dartium: Dartium by default doesn't support the newer rules; to turn on the support, the "Experimental Web Platform features" flag has to be turned on in chrome://flags. (reverted from commit ed02ffb30a3ae79455db4d32bf90072c50b9fa2d)
Merge pull request #724 from ussuri/revert-remove-legacy-css-rules

REVERT: Remove @host and other legacy CSS no longer used
Constrained to < 0.3.0