First version of NewUI main menu
Remove explicit font-size's where they coincided with the default
Fix bug in loading the objectstore.
Revers attribute name: enabled -> disabled, to match standard HTML one
Merge pull request #2076 from dart-lang/branch_bug

Fix bug in loading the objectstore.
Merge pull request #2077 from ussuri/improve-font-rendering

Remove explicit font-size's where they coincided with the default
Merge pull request #2078 from ussuri/enabled-disabled-for-spark-button

Revers attribute name: enabled -> disabled, to match standard HTML one
Revers attribute name: enabled -> disabled, to match standard HTML one (reverted from commit 517614c2b8faaebda284d0d7a07739a82abe395f)
Merge pull request #2079 from ussuri/enabled-disabled-for-spark-button

Revers attribute name: enabled -> disabled, to match standard HTML one
At least horizontal works in Spark
Second attemps at enabled->disabled
Merge pull request #2083 from ussuri/enabled-disabled-for-spark-button

Second attempt at enabled -> disabled - needed for new UI widgets
Merge remote-tracking branch 'upstream/master' into new-ui-toolbar
Added [justify] attribute + replaced [directio] with [horizontal] + [vertical]
Added [debug] attribute in addition to .debug class for debugging widgets
Merge pull request #2084 from ussuri/small-fixes-2

Added [debug] attribute in addition to .debug class for debugging widgets
Remove dubugging leftovers
Merge pull request #2085 from ussuri/new-ui-toolbar

[New UI] spark-toolbar
Removed debugging leftovers
Merge pull request #2086 from ussuri/new-ui-toolbar

Removed debugging leftovers