Script for jenkin to download and compile the android source

Discriptions for the variables:
initurl	 Where to get the source from
branch	 What branch from to clone
manifest What local_manifest file to get, which modifies what repositories are used. (Can be empty to not use a local_manifest)
syncargs Command line arguments for repo sync
LUNCH	 What device to compile for?
joblvl	 What joblevel to run processes at
makeargs Arguments to use in the make command
username Username for git
usermail Email for git
uccache  Use ccache or not (1 or 0)