Delete old Trebuchet overlay
dsp: Reduce speaker gain

This is causing distortion at high volumes.
power_profile: Fix battery capacity

Derp.
fstab: Fix encryption

Thanks to: http://forum.xda-developers.com/showpost.php?p=49285826&postcount=1825
ramdisk: Don't use strict minfree values

Use kernel-default minfree values.
ramdisk: Fix permissions and malformed paths

Making everything world-writable is a security risk.
89z_kernel: Clean up and add new features

Signed-off-by: Sultanxda <sultanxda@gmail.com>