Make flask's debug mode configurable.

We don't want to be using this in production.
Added a note to headnode_cleanup in haas/test_common.py that documents our
issues with libvirt undefine.
Fix small doc problems in deployment tests
Abstract out Dell vlan config parsing
Merge pull request #216 from zenhack/debug-cfg

Make flask's debug mode configurable.
Merge pull request #217 from gsilvis/typos

Fix small doc problems in deployment tests
Merge pull request #218 from gsilvis/dell-cleanup

Abstract out Dell vlan config parsing
Merge pull request #219 from ryabouza/document-libvirt-undefine-issues

Added a note to headnode_cleanup in haas/test_common.py that documents o...
Check that a nic has a port in project_apply
dell: Log into switch only once in apply_networking
Log a warning for unattached NICs
Fix 'log out' comment
Clean up logging code
Merge pull request #220 from gsilvis/204

Check that a nic has a port in project_apply
Merge pull request #221 from gsilvis/213

dell: Log into switch only once in apply_networking
Merge branch 'devel' into stacked-switches

Conflicts:
	haas/drivers/dell.py