DeskClock: Add increasing volume option for alarm clocks

this commit adds a checkbox preference for "increasing volume" to
alarm clocks. when checked, the alarm will start off at 10% of the
system-wide alarm volume and slowly increase to 100% over the
course of a minute.

Original author for jb is Austen Dicken<cvpcsm@gmail.com>
jb-mr1 porters Davor Bertovic (LorD ClockaN) and maxwen

PS2: fix alarm ringtone layout issue

Change-Id: Ic097e344ed1570602f17f774faed7b612d47be73
Merge commit 'refs/changes/43/5243/3' of http://gerrit.sudoservers.com/AOKP/packages_apps_DeskClock into jb-mr1

Conflicts:
	src/com/android/deskclock/AlarmKlaxon.java

Change-Id: Ie4d09d362feda82b49d59f8d99d41399f488197b
Signed-off-by: KainGC <cows_say_potato@yahoo.com>