test cases: memory limit adjustment
allow overriding of CVMFS_DEBUGLOG in test driver
improve logging in auto unmount
mitiagte unmoun-mount race when the talk thread is not yet stopped
improve debug logging
adjust time warning for dns timeout
increase verbosirty dos test
several bugfixes to backoff class
allow for iteration over a whole catalog
log backoff throttle delays
test cases, timeout adjustments
FIX: sudo rm test workdir / remove log barf
FIX: copy-and-paste error / wrong test name
Merge pull request #253 from reneme/test_cosmetics

Minor Test System Cosmetics
Merge pull request #251 from reneme/enhance_python_module

Extend Python Module to Make Catalogs Iteratable
FIX: undefined variable $unionfs in cvmfs_server
fix debug logging of inodes on 32bit platforms
Merge pull request #254 from reneme/fix_legacy_import

FIX: undefined variable $unionfs in cvmfs_server
Merge branch 'master' of github.com:cvmfs/cvmfs