Update Halite tutorial
Formatting changes
Fixed bug where the buffer size of the udp socket reads did not match the raet max packet size
Also changed names of packet size limits to match semantics better
Changed default verbosity
Fixed a few line length issues.
Started writing brew unit tests
[salt.cloud] key_filename is not always set for expanduser

[ERROR   ] There was a query error: 'NoneType' object has no attribute 'startswith'
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/salt/cloud/cli.py", line 381, in run
    ret = mapper.run_map(dmap)
  File "/usr/lib/python2.7/site-packages/salt/cloud/__init__.py", line 1692, in run_map
    profile, local_master=local_master
  File "/usr/lib/python2.7/site-packages/salt/cloud/__init__.py", line 905, in create
    output = self.clouds[func](vm_)
  File "/usr/lib/python2.7/site-packages/salt/cloud/clouds/openstack.py", line 329, in create
    key_filename = os.path.expanduser(key_filename)
  File "/usr/lib64/python2.7/posixpath.py", line 261, in expanduser
    if not path.startswith('~'):
AttributeError: 'NoneType' object has no attribute 'startswith'
Teach utils.option to fail so that it can succeed
Added links to each glossary entry; wrapped in glossary directive
Removed old, scattered glossary entries
Added ref anchors for the ordering sections
Added ref anchors for the various targeting types
Added ref anchors for the top file and environments
Added ref anchor for file server docs
Added ref anchors to state layers doc
Added ref anchor for peer docs
Added ref anchor for overstate docs
Added ref anchor for renderer docs
Added ref anchor for salt-cloud docs
Added ref anchor for highstate docs