optimizations for msm7x27 series devices

* Framework: disable alpha transformations (should be slow on Adreno 200)
* Apollo: don't use large heap (reduce memory usage)

Change-Id: Ifa07ebf48502a6801f527b0be7b7bdc687418457
Use half-resolution version of the boot animation

Change-Id: I9656739dd57f6b40233d458bcdc143b3f74c4ee3
Add local healthd

Fixes battery info with new 4.4 health daemon

Change-Id: I06fc236e6ad80f5c8956ebb5b261ddf86d91ed97
ksm: override values upon boot completion

The default is too much for older devices, and leads to notable
additional CPU load and power drain.

Change-Id: I96dbec561136274b6a4a549d31d988c57ca20355