Remove the numbered source and patches and automatically manage
sources and patches. This removes the overhead in maintaining large
collections of patches.
Split the URL by line breaks into separate requests.
With git reset the repo with each run. First perform a hard reset
to remove any local patches and then switch back to master incase
the repo was left on a branch or a detached head.
Add support to use a git cloned repo as the source. Move the download
code out of the build module and into a separate module. Add to this
module support for git.
Update the GCC common configuration to support using a symlinked
git repo.
Add checks for all languages.
