Merge pull request #38 from materialsvirtuallab/master

Add a plot wfs functionality that uses networkx to plot the links. Usefu...
patch for bug in optimizing FW queries
another patch for optimizing FW queries
use standard (non-packaged) FW names for CompressDir and ArchiveDir tasks
update to v0.75
basic timing module
forgot to add new timing module
add Dan to travis emails