Adding access to chrome storage
fix formatting
fixed preference store
tweaks to preferences and preferences_test
Merge pull request #16 from devoncarew/storageaccess

tweaks to preferences and preferences_test
Merge pull request #13 from dart-lang/storageaccess

Adding access to chrome storage
move over to using chrome_gen window.close()
adding pubspec change
Merge pull request #17 from dart-lang/chrome-upgrade

move over to using chrome_gen window.close()
convert preferences.dart ==> chrome_gen
Merge pull request #18 from dart-lang/prefs

convert preferences.dart ==> chrome_gen