Move LCD density to Interface -> General tab

I dont think this feature needs its own tab. Less tabs, less clutter.

Change-Id: I8488f3cdfa8f9915bc8ae4f1d7c20b5e21b795b3

Conflicts:
	src/com/crom/settings/fragments/inter/DensityChanger.java
	src/com/crom/settings/fragments/inter/InterfaceDensity.java
	src/com/crom/settings/fragments/inter/InterfaceDensity.java