Merge pull request #110 from claudyus/master

update ignore file and suggest the use of virtualenv
dev: ignore the static copied files and sqlite db
dev(structure): dealing with django-pipeline (work in progress)
dev: working on pipelin integration
  * remove the compressed css/js
  * configure the pipeline component to generate nodeshot.min.css and nodeshot.min.js
  * reorganize the base.html include part
  * TODO nodeshot config process require the template engine, investigation needed
attempt to integrate bower
BUG: node tree list is not working