updated readme for igraph install
added Python script to parse the data in GEXF format
modified python script and README for school
parse_school now deletes old files.
added script to automatically run the example
plotting igraph still tends to segfault
clarified school README
Combined parse_school into do_example and bug fixes

The main issue is that igraph has issues with networkx import when networkx is not the first package imported. So, I moved the networkx import to be the first import.  I combined the two files for simplicity
README update for school example
Python: added CONGA algorithm
Added __init__.py for circulo and algorithms dirs
python3ify school example
Python3 support for conga and added example
Added girvan newman implementation
Add gitignore
added metrics and updated example
project reorg
formalized data acquisition
Updated README
Updated README to not require cairo