Merge pull request dkim0419#70 from andrewgaul/action-high-quality

Remove action_high_quality from German strings

Update build.gradle

- fixed incorrect display of item length (duration) in time zones wit…

…h a half-hour increment (ie: GMT +5:30, GMT +10:30)

- updated play/resume/stop icons to be a flat white color
- created ic_fileviewer, for the CardView icon