Shortcuts: rename and custom icon

This is all CM work so all credits go to them.
https://github.com/CyanogenMod/android_packages_apps_Trebuchet/commit/10a908a32cab20d5fc0ee944a3b34b98a9648f68
https://github.com/CyanogenMod/android_packages_apps_Trebuchet/commit/596b71d43c5f13f2d0199ffdfeaa550e15838783
https://github.com/CyanogenMod/android_packages_apps_Trebuchet/commit/e576f6e7887b063d1b6d9a2052eedd4cc7c014ee

Change-Id: Id5b250f6e75c096ceb3beff410d9d0a6ad654ae0