Adding symmetric graph
pep8
updated fig save function to use black background and changed save functionality to be more intuitive
Updated colors and alpha values
Split standard_graphs into a plot file and a function file
Merge pull request #31 from rkp8000/master

Add function to get all centroids.
added functionality to deal with several graphs
merge
Merge branch 'master' of https://github.com/wronk/dbw
Added whatever
Merge remote-tracking branch 'upstream/master'
Added various Figures and updated standard_graphs/plot_graphs...
Merge pull request #33 from sidh0/master

Moved things around; added a tonne of graphs.
Merge pull request #32 from rkp8000/master

Write function to analyze brain optimality for specific subsets of brain regions.
Added weighted option to network stat computation function
support for multiple types of graphs
Merge branch 'master' of https://github.com/wronk/dbw
added gifs and gif creating script
Merge remote-tracking branch 'upstream/master'
Make plotting functions nice and neat. Change biophysical graph model to have degree raised to power.