add a protocol blacklist to skip over some protocols for getTURL

currently this hardcodes 'webdav'
add http and https to blacklisted protocols
add build script to create SRPMs

Note: This requires the build to run on a system with the same os as the
target os.
update version to 1.0.1

fix name of output tar.gz
update metadata

fix incomplete README sections
update changelog
Add link to documentation in README
add httpg to list of blacklisted protocols
Merge pull request #1 from dCache/feature/blacklistWebdav

Feature/blacklist webdav