Don't crash when the smtp server is not resonding
Remove the need for copying the same names multiple times in the cluster definition and make aliases sane
Don't require the intermediate directory when searching for cluster definitions
Remove references to lbAlias and lbHosts from the html template
Create the additional disks before starting the virtual machines
Test suites need to contain test_suite.py
Use md5 to generate the host bridge interface name
Allow for used defined macs - bypasses udev persistent interfaces issue
Construct broken clusters
Fix initialization and result naming issues

* wait for other hosts when suite initialization on one of them fails
* skip the test case when it's initialization failed
* prefix the case results with init_, run_, and finit_ so that they could be identified later
Properly retrieve all the stage results for given test case
Retrieve the stage results in the template using stage prefixes
Clean up stage helper functions
Use the run function in the helper functions file