Remove a lot of useless code

This is mostly code that came from the copy & paste from barclamp-nova.
Remove unneeded variable
Respect SSL for glance
Also respect insecure SSL settings for cinder and quantum
Use internalURL endpoint for cinder
Use loops to make code a bit more readable
Update to latest setuptools

This seems to help a bit.
Merge pull request #10 from vuntz/latest-setuptools

Update to latest setuptools
Remove set_time recipe

It's wrong for two reasons:
 - it changes the timezone (which is defined in unattend.xml)
 - it duplicates what's done in the ntp barclamp
Merge pull request #11 from vuntz/no-set_time

Remove set_time recipe, as it was implemented in the ntp barclamp.
Merge pull request #8 from vuntz/missing-options

Some fixes to nova.conf
Merge pull request #4 from vuntz/cleanup-cookbook

Remove a lot of useless code
Make cookbook work with nova attributes
Remove all non-cookbook files

We do not use a split role/proposal anymore for Hyper-V: this is now
part of the nova barclamp.

We obviously keep crowbar.yml so that this is still installable as a
barclamp.
Do not declare the barclamp as member of the openstack group

Otherwise, it appears in the list of barclamps.
Merge pull request #5 from vuntz/nova-attributes

Move to use a role in the nova barclamp for Hyper-V
Update Python to 2.7.5
Updated Python version to 2.7.5
Added a complete archive of Python, including all required components,
in order to remove any internet connection requirement.
add rabbit_virtual_host value

nova and quantum need this to connect
to SUSE Cloud's rabbitmq
Updated chef attributes to include Python Scripts folder and PyWin32 DLL registration script