FIX: very rare race condition in cvmfs_config reload
fix a race when automounter unloads a repository during reload
changelog
Merge branch 'devel' of github.com:cvmfs/cvmfs into devel
FIX: permission issue in test 537
FIX: permission issue in test 538
Merge pull request #462 from reneme/fix-tests

FIX: Permission Issues in Integration Tests 537 and 538 [eom
FIX: printing of status logs
separate spool area and storage creation
move `rmdir /cvmfs/$name`
improve logging
FIX: utility function return values
logging improvements in `cvmfs_server import`
Merge pull request #463 from reneme/fix-cleanup_repo_creation_deletion

FIX: `rmfs` didn't Cleanup Backend Storage + Proceedure Cleanups
FIX: integration test 513 was bogus
Merge pull request #464 from reneme/fix-test_513

FIX: Integration Test 513 was Bogus
S3 backend support.
CMake fixed to work with upload_s3 for unit tests.
S3fanout is now Singleton.
Code cleaned: CURL now only in s3fanout.