[MERGE] Merge branch 'stable-2.10' into stable-2.11

['Thomas Thrainer' via ganeti-devel]

commit daeac0e70bdc1f4520d11da0754e09b99215901c
Merge: 866e1f7 6383059
Author: Thomas Thrainer <thoma...@google.com>
Date:   Mon May 12 13:55:29 2014 +0200

    Merge branch 'stable-2.10' into stable-2.11
    
    * stable-2.10
      Fix passing of ispecs in cluster init during QA
      Move QAThreadGroup to qa_job_utils.py
      Extract GetJobStatuses and use an unified version
      Run disk template specific tests only if possible
    
    Signed-off-by: Thomas Thrainer <thoma...@google.com>