Fix for docutils.error_reporting -> docutils.utils.error_reporting
made error string a little more robust.
Merge pull request #68 from scopatz/master

Fix for minor issue with upstream docutils.
convters sub-package use relative imports
fix text for exclude
don't compare empty lines (stupid pandoc)
Merge pull request #75 from Carreau/fix-tests

fix text for exclude
Merge pull request #73 from scopatz/master

Updated to relative imports in converters sub-package
Copy IPython-configurable with the same hierarchy
copy IPython application and loader
nbconvert is now configurable app
working config
add extract_figures configurable.

remove old useless configurable
Allow to build a converter without input file
fix tests
missing comma
fix after exclude