Remove deprecated pydot drawing functions.
Add get_fobj() to networkx.utils
Better pydot conversion. Add draw_pydot().
Small typo. Missing pydot import. Updated tests.
Fixing default show mode for draw_pydot.
Add documentation for inline pydot drawing within IPython notebooks.
Adding draw_pydot to reference documentation.
Whitespace changes and removing the usage of @requires
Add nxParams, a dict-like configuration for parameters.
Make draw_pydot() use nxParams['pydot_show'] when show=None.
FGM - Added code for approximating the clustering coefficient
Fixed init to include my new function.
Added some tests. Updated style to match PEP-8.
Update documentation for globally changing display mode.
Updating docstring for draw_pydot().
Merge branch 'pydot' into pydot2
Incorporating changes introduced in #905.

Conflicts:
	networkx/drawing/nx_pydot.py
iteritems -> items for Python3 compatibility.
Use lowercase true|false in GEXF writer

Fixes #912
Fix assertion bug in test
Tests for node connectivity

Add tests for all pairs connectivity.