Fixed flavor specs detection
Fixed flavor specs detection

All extra specs of flavor (except 'ram', 'disk' and 'vcpus')
are placed in 'extra_specs' dictionary.

Signed-off-by: Maciej Skrocki <7248e0ebb2ec116d576f780ddb66c4baf308f8d4@intel.com>

taf3/taf,orestkreminskyi/taf,taf3/taf,taf3/taf,orestkreminskyi/taf,orestkreminskyi/taf