initail import from AOSP
make valoume preference compile
remove cancel button
autoformatting
initial refactoring
extracted Volume
Implemented OnSharedPreferencesChangedListener and START_SAMPLE

Conflicts:

	src/com/better/alarm/model/interfaces/Intents.java
	src/com/better/alarm/presenter/background/KlaxonService.java
	src/com/better/alarm/view/VolumePreference.java
volume: added a second slider for prealarm
added logarithmic scale and moved constants
Merge branch 'volmue_preference' into develop

this closes #35

	modified:   AndroidManifest.xml
	new file:   res/layout/seekbar_dialog.xml
	new file:   res/values/attrs.xml
	modified:   res/xml/settings.xml
	modified:   src/com/better/alarm/model/interfaces/Intents.java
	modified:   src/com/better/alarm/presenter/background/KlaxonService.java
	new file:   src/com/better/alarm/view/VolumePreference.java