presto: add standalone app Advanced Settings

only earpiece volume gain feature implemented at the moment

Change-Id: I2bcd74e4fa0b7be7d10d3ab544cf9fa14b617443
AdvancedSettings: build fix; new icon;

Change-Id: I5567197b956ebab5246a6a0bde20492f5337eeec
Merge pull request #50 from jied83/cm-11.0

Standalone app Advanced Settings;
Merge branch 'cm-11.0' of https://github.com/PantechDevTeam/android_device_pantech_presto into kitkat