[add] ignore virtualenvs
[add] requirements.txt
[init] django project
[fat commit] some test files
[fix] add django_polymorphic to requirements.txt
[enh] Documentation
[enh] Also ignore db.sql
[add] New Keyword app
[add] Main graph
[add] Graph manipulation methods + unit tests
[fix] add __init__.py so that './manage.py populate' works
[enh] Populate db with realist data
[add] First 2 JSON calls on Graph
[enh] Now / redirects to graph browser
[enh] Browser and keywords API imprevements
[dev] Adding a script to quickly reset DB and launch webserver
[dev] Adding a script to quickly reset DB and launch webserver
[add] Adding icons + global graph browser improvements
[enh][fat] Refactoring Node and Keyword database access and exportation: less SQL queries and HTTP requests
[fix] Also delete sql log file