This patch contains various updates to the new HTTP UI

Mobile views have only been tested on Android.

Update - Added EQ functionality
Update - Corrected rounding mistakes and EQ units
Update - Added Mobile EQ
Update - Added Mobile Flash View
Update - Minor Display Adjustments
Update - Revert Playlist.xml for backward compatability
Update - Added playlist_jstree.xml for UI usability
Update - Added Batch VLM Command interface
Update - Added VLM command error reporting
Update - Added functionality for future EQ merge into status.xml
Update - Modified Makefile.am to include new files
Update - Corrected main EQ button
Update - Modified author comments
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>