* devel-2.7: (24 commits)
  Fix typo in ganeti-noded man page
  QA: Run instance tests with different cluster configurations
  QA: Run cluster-verify after instance tests
  QA: Refactored launching of the various instance tests
  QA: Use lists of nodes as argument to instance tests
  QA: Instance tests check the configuration before running
  QA: Added functions to allocate/free N nodes at once
  QA: Added exclusive_storage to qa_config
  QA: Better initialization of a global dictionary
  QA: Added disk template to config
  QA cleanup: Removed instance-disk-failure test
  QA fix: TestInstanceExportWithRemove() updates configuration
  QA: Cluster-verify reports shared PVs with exclusive storage
  QA: Added constants for LVM volumes
  QA: Templates incompatible with exclusive storage reported
  QA: Uniformity check for exclusive_storage in cluster-verify
  QA: Test for basic features of exclusive storage
  QA: Added function to read cluster configuration fields
  QA: Added function to check cluster-verify result
  Document better gnt-network
  ...

Signed-off-by: Michael Hanselmann <hansmi@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>