HALO bugfixes

1. some icons were overblown
2. tasking meant having your thumb on the speechbubbles

Change-Id: I04637a5ae96c3d9fa30188a320e13989c48f7f0c
FLAG_ACTIVITY_NEW_TASK re-added to floating windows

ActivityStack modified to not cancel results if window is floating and "new".

Change-Id: I45f3dcc816092daa4192be91828592a0b2b2ac59
HALO Size (1/2)

Change-Id: I2780dfee66b0b80b57c62b83c40609104fe3c279
Always prevent wake on home keypress when kl config does not contain WAKE

http://review.cyanogenmod.org/#/c/43124/ introduced a change in behaviour
where the home key could wake a device even if the kl config lacked
the WAKE option.  This fix restores the original behaviour.

Change-Id: I56fc23244957a5738823b5e59f0a719670b41f6d
Just a lil bit of ordering