Added util file (util_JRCfns.py) that includes the functions specific to my studies that will ultimately get taken care of in a more general util.py file
Creating my own utils file failed, so I added my termporary functions to util.py for now.
Added my functions to util.py
Merge branch 'master' into edits

Conflicts:
	brainx/util.py
Added my project-specific functions to util.py; edited util_JRCfuns.py to reflect the updates to the functions that I have added to util.py
Merge branch 'master' into edits--needed to fix conflicts with util.py because I added some of my own functions I'm not pushing

Conflicts:
	brainx/util.py
Merge branch 'master' into edits
Merge branch 'master' into edits
Merge branch 'master' into edits
Updated to convert networkx sparse matrices to dense matrices so can be used with numpy arrays
Merge pull request #1 from jrcohen02/edits

Edits: Updated modularity.py to convert networkx sparse matrices to dense matrices so can be used with numpy arrays.