Adding audio variable speed playback support at the service level
Updating formatting to match remote
Merge branch 'speed' into develop
Added methods for controlling playback speed to playback controller
Added buttons to control playback speed
Added presto dependency to pom.xml
Added variable speed playback control as a global option.
Bug fix for trying to set pitch when media is null.
Merge pull request #186 from TheRealFalcon/playback-speed

Bug fix for trying to set speed/pitch when media is null.
Merge branch 'playback-speed' into speed

Conflicts:
	res/values/arrays.xml
	res/values/strings.xml
	src/de/danoeh/antennapod/activity/PreferenceActivity.java
	src/de/danoeh/antennapod/service/PlaybackService.java
Variable speed playback as user preferences and customization of playback speed.
Merge branch 'speed' into playback-speed
Reduce default speeds to every .1 instead of every .05 so user doesn't have to do a lot of unchecking.  Also, be consistant about where float or double is used and be consistent about which context is used for UserPreferences.
add https scheme to RSS/Atom intent filters
Address FindBugs warnings

This commit fixes 36 of the 109 warnings.
Check file size after download

This commit may address symptoms seen in #187 and #197 where
AntennaPod did not flag incomplete downloads as failed.
Merged pull-request #246
Several bugfixes
Updated android gradle plugin
Removing last item in the queue didn't work