[1/2] Permit home button wake to be configurable

To activate, enable bool config_show_homeWake in
device overlay/packages/apps/Settings/res/values

Change-Id: I00afe89ba5bf36d74b93a40b9d15eef2e805611f
Merge branch 'cm-10.1' of git://github.com/CyanogenMod/android_packages_apps_Settings into linaro