added application_report script which generate the usage of module logging for past 180 days and the list of softwares that depend on it

Added listdeps, which output a list softwares that depend on the any given module. Added software_usage, which count the number of occurence for each modules in module logging and sort them in desceding order. Added smoke_test, which is the driver for running test cases under smoke_test/tests folder

ensure yum may fail and not stall forever

See merge request !337

moving check_summary from clusterbuild and adding a quick and dirty 3 line feature

See merge request !336

Version pinning and enableing the upgrade role to run at all times

See merge request !335