ExoMedia 3.0.0-preview2

General

• Updated the ExoPlayer version to 1.5.8
• Updated the support libraries to 23.4.0
• Fixes a crash due to incorrect ordering when releasing the video surface
• Updated the VideoControls to hide the top (text) bar when no text is specified

Bugs

• Fixes #127 (Audio capabilities issues)
• Fixes #143 (Media source type determination)
• Fixes #152 (Continuous resizing of the EMVideoView)
• Fixes #171 (Shutters are no longer needed)
• Fixes #197 (Crash below JellyBean)
• Fixes #201 (Persist seek position when media isn't ready)