Merge remote-tracking branches 'matteos-abipy/master' and 'origin/master'
Minor changes
Merge branch 'master' of https://github.com/gmatteo/abipy
Fix integration tests
Add restart command to abirun.py
restart must call flow.pickel_dump()
Fix abirun.py status -d
Merge remote-tracking branch 'upstream/master'
New options added to abirun.py
Fix unit test
Merge remote-tracking branch 'matteos-abipy/master'
Use tempfile for xyz file
Merge pull request #41 from setten/master

get value from sigres reader
Py3k fixes
More Py3K fixes
remove plor_fftprof.py
Use IPython.sphinxext
from __future__ import print_function, division, unicode_literals
Fix abirun.py tail
Use is_string and list_strings from monty.string