pep8 and pyflakes fixes
implemented get_data in MongoDBDataSource
added doc to file and fixed pep8 issues
changed default values
implemented get_default_options function and get_options method
removed js options code
changed heading
added flot.html
updated views to handle mongo data and implemented flot_demo view
changed class names and parameters
removed graphos_settings.py
Merge branch 'master' of github.com:agiliq/django-graphos