Store the value from BOARD_CUSTOM_BOOTIMG_MK to a file

This is needed so it can be read in when re-signing a package to
use the proper boot image.

Print notice when using a custom bootimage makefile

Change-Id: I6baab9f8964ce5d4fa9487f2859af9c385d7b21b
roomservice: Add recursive dependencies

Dependency repositories can now have dependencies themselves

Change-Id: I33a28709170da52bc98f4a62387927e3a11b2450
Remove QuickSearchBox from build

* This thing is ancient, and apparently conflicts with Google Now.

Change-Id: I18548dd0b61cc8dedf6570562d073d0973120cba
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_build into kk44
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_build into kk44
Fix unified build

Change-Id: I947e3cdeb07297a8d46c5a83abcc3f5d6a66b6d8