Merge pull request #499 from hhovsepy/sam-1.3

skip tests if machine is virtual
Added scenarion for manifest refresh and fixed sam1.3 failures
reworked a bit Tazim-s PR
Added a check system list
Merge pull request #505 from hhovsepy/sam-1.3

added more scenarios for upgrade, disabled failing scenario
Merge pull request #506 from tkolhar/sam-1.3

Added a check system list
Added the new scenarios manifest refresh covering the test ID's 262242,267992,268146
Merge pull request #508 from tkolhar/sam-1.3

Added the new scenarios manifest refresh covering the test ID [ 262242,267992,268146]
new useful method: Fetching release version + arch. Hope would work for RHEL5.x too
support of providing beaker machine hostname
fix of the stupid ;
extend: RHEVM_MAX_WAIT=1200 aka 20min
small 2 sec sleep before starting the machine.
fixed failing for deltacloud run