Enable run spark in spark.
Add progress component to Git push dialog.
Update git push dialog with progress.
Add an option to specify default value when getting a preference from PreferenceStore
Specify the default value for split view position when there is no stored preference
Set some default value for split view position in SparkPolymerUI in case client doesn't set one
Cleanup
Cleanup
Finally fix root cause of blurry fonts in deployed app on OSX

The reason was odd percentages in translateX(), which led to fonts being subpixellated and thus blurred.
Merge pull request #2063 from ussuri/fix-spark-splitter

Fix spark splitter
Comment
Merge pull request #2066 from ussuri/fix-blurry-fonts-in-main-menu

Fix blurry fonts in main menu
Add font antialiasing to fight jagged fonts, esp. on OSX and light font on dark background
Localize global font-family setting to just 2 places + add Helvetica Neue as primary font
Additions/corrections to font management and rendering
Misspelled `!important`
Unambiguous/uncontrovercial cleanups in widgets
Merge pull request #2068 from ussuri/widget-cleanups-and-improvements

Unambiguous/uncontrovercial cleanups in widgets
First version of NewUI main menu
Set box-sizing globally for widgets