Update XDATA-software.json

Added language to Track Communities
Merge pull request #171 from mvonbargen/patch-59

Update XDATA-software.json
Kitware LineUp Web repo update
Update XDATA-software.json
Adding PPAML program description per Dave's request.
Merge pull request #172 from tjd08a/master

Added catalog entry for Escher
update to Tessera and SmallK repo locations
updated DARPA office json files
Merge pull request #173 from snordt/master

updated DARPA office json files
adding GRAPHS program
adding GRAPHS and RP
fixing RP json
Dave edits from 7/24
removing MADCAT & RATS software entries
switch from py-sdm to replacement skl-groups
Merge pull request #174 from dougalsutherland/patch-1

switch XDATA catalog entry from py-sdm to replacement skl-groups
Update igraph description, inst. material
Merge pull request #175 from igraph/master

Update igraph description, inst. material
Remove CrossCat from catalog

Removed crosscat project. Crosscat and bayesdb are redundant. We only maintain docs for BayesDB.
Update XDATA-software.json

Updated Drapers Instructional Material and Software name