Merge pull request #293 from reneme/fix_remote_setup

FIX: Follow Up of Last Pull Request
fix addgroup2persona
Merge branch 'master' of github.com:cvmfs/cvmfs
FIX: documentation of make_huge_repo
redirect output of publish_repo in test 525
count and report number of passed tests in run.sh
add a blank line in the end
Merge pull request #294 from reneme/redirect_test_output

Redirect Test Output For Huge Repo Publish
Merge pull request #295 from reneme/enhance_test_logging

Count and Log Passed Integration Tests in run.log
install additional test dependencies
load AUFS kernel module
install `cvmfs-server` and `cvmfs-unittests`
enable unit tests and server test cases on ubuntu
Merge pull request #296 from reneme/ubuntu_server_tests

Enable Unit Tests and Server Integration Tests on Ubuntu
switch off tests that are failing by design
Merge pull request #297 from reneme/switch_off_tests

Switch Off Tests that are Failing by Design
start development of cvmfs python library
add .cvmfspublished into _common
abstract Repository for addition of 'RemoteRepository'
add a manifest (.cvmfspublished) abstraction class