Merge pull request #93 from kincl/jasons-hacking

Schema: Removing "required" from some Action attributes
fixed unit tests
Probes: reduce race condition that can result in multiple probe groups
do not create data directories for plugins that don't need them
testsuite: fixed tests for a03fde3ea32d3eb2cadb443454749111dda1797f
Yum: handle and log helper errors better
testsuite: *really* fixed tests for a03fde3ea32d3eb2cadb443454749111dda1797f
Yum: fixed verbose logging from bcfg2-yum-helper
Yum: fixed yum-helper logging for real this time, i totally swear
Svn: Adding config options for specifying a user and password for subversion and to trust server SSL certificates