fixing aprox uninstall

Conflicts:
	scripts/install/uninstall.d/002-uninstall-aprox.sh
- Add stores mount point.
- Improve uninstall to remove lines that were added to existing files.
- Add reverse proxy support to the httpd instance to /aprox works.
- Start aprox itself under the /aprox context-path.
redirect maven settings for root user as well as koji
handle removal of .m2 files more gracefully, and add root user maven settings handling as well.
fix order of operations for httpd configuration and davfs mounts.
Merge pull request #31 from jdcasey/master

AProx integration improvements