Improvements to Battery Monitor Setup - part 2
reworked the data model ready for adding the ability to read presets from a file
Fixes #239: Advanced Parameter Compare gives false result.
Fixes #239: Missed file for commit f8eab2987c 
(oops friday afternoon!)
initial commit in new branch alsa_audio.
this branch hold all changes to use alsa-audio instead phonon-audio for linux based plattforms.
Finish simple implementation of alsa_audio driver
 * alsa driver running in own QThread
 * driver can queue audio messages
 * flite created audio files will stored in ~/apmplanner2/tmp_audio
 * skipping flite if audiofile exist
Add a dark background to FW Buttons for a better look
New SQLite database backend for graph data
Proper using of in-memory sqlite database, and faster loading of datalogs