Thruk: Update to 1.80-3
Nagios Plugins: Update to 1.5
Support builds on CentOS/RedHat 5.10
nagios-plugins: adjusted tests
tests: adjusted mysql tests to new plugins version

Signed-off-by: Sven Nierlein <sven@consol.de>
python-modules: trying to fix python module build on all platforms
python-modules: Fixed syntax error