Merge pull request #54 from locationlabs/master

Add ability to do screenshot sequences (rough video)
Minor javadoc updates
Moved screenShotSequenceThread interrupt check to inside while loop
Check if views is null in getRecentDecorView
Perform a break instead of return in ScreenshotSequenceThread
Improved the waitForDialog methods
Minor modification of finishOpenedActivities()
Minor modification of hideSoftKeyboard()
Modified typeText and hideSoftKeyboard
Throw runtimeException when BUILD.VERSION < 14
Refactored hideSoftKeyboard
Refactored ScreenshotTaker
Minor javadoc updates
Javadoc updates in ScreenshotTaker
Corrected exception messages
[maven-release-plugin] prepare release robotium-4.2
[maven-release-plugin] prepare for next development iteration
Recycle bitmap after saving it
Minor javadoc update
WaitForActivity honours timeout even if no activities exist.