Initial update of the overview
Updated faq
Updated overview
DOC: updated AUTHOR
Updated Changelog
Updated examples_index with Bago's connectivity example
BF: changed dtype
Updated overview with new release notes link
Added corrections suggested by Ariel and Sam
DOC: Small correction in stateoftheart.rst
Removed some lines from README.txt because download all releases became unavailable in github
Merge pull request #293 from Garyfallidis/update_overview_faq

Update overview faq and other minor things