Slideview Versions Save

• Add "sv_" prefix to all library attributes to avoid conflicting with attributes in other libraries or attributes defined by users.
• The internal Slider now extends "AppCompatSeekBar" instead of "SeekBar"
• Update internal dependencies.

Fix issue where SlideView's parent view intercepts touch events.

Minor Improvements. See the changelog.

This is the first release, see the README for relevant information.