Fix typo in after_success maven command.
Add getBackgroundDrawable to ShadowWindow
Merge pull request #822 from pivotal-odell/window-get-set-background-drawable

Add getBackgroundDrawable to ShadowWindow
Speed up resource reading by caching results of JAR file parsing.
Merge pull request #824 from aweber/cache_jar_file

Speed up resource reading by caching results of JAR file parsing.