added 2011 apps/grants
added 2010 apps/grants
added 2009 apps/grants
added 2008 apps/grants
added 2007 apps/grants
Merge pull request #20 from kevinburleigh75/master

Adds 2007-2011 patent app/grant data
Merge pull request #21 from ahirschberg/master

Moved inventors xpath logic repeated in apps and grants into a singular ...
Fixed bug with null regex in filename parsing