* stable-2.8:
  Also remove prop_IterateAlloc_sane from test list
  Fix documentation for prop_Alloc_sane
  Remove IterateAllocSane test
  Clean up work around for host name filtering
  Do not handle host queries special
  Fix error in installation instructions
  Add documentation for harep
  Fix typo in ganeti-2.8 design doc
  Support big-step shrinking in tiered allocation

* merged from stable-2.7:
  Release version 2.7.0
  Fix "instance replace" typo in admin.rst
  Fix typo in the install guide
  Disable pylint E1101 on hypothetical import

Signed-off-by: Klaus Aehlig <aehlig@google.com>
Reviewed-by: Michele Tartara <mtartara@google.com>