Added quickstart, changed setup.py, changed manifest

Added doc to manifest. It would causes errors if it's not there on sdist
creation.
Added quickstart.rst: Is the configuration part of CM.
Changed long description in setup.py pointing to quickstart.rst
Update MANIFEST.in
Update setup.py
Update quickstart.rst
Merge remote-tracking branch 'upstream/devel' into devel
Revert "Added quickstart, changed setup.py, changed manifest"

This reverts commit 76a2cab40f84d75c02a8faf85c0635749a10c97b.

Conflicts:
	quickstart.rst
	setup.py
Merge pull request #420 from Lord-Simon/devel

Added quickstart, changed setup.py, changed manifest, changed default image engine to google