fix int-tests running with out volume

fixed up the instance create and user/database level tests
fixed up the resize up test
fixed up and able to run through the entire suite of tests
fixed issues with the guest not writing the my.cnf file correctly

Fixes Bug #1095929

Change-Id: I2f971a072728380f83d82fdcb7595604a78a0511
Merge "fix int-tests running with out volume"