Added the generated doc/ directory to .gitignore
Added the generated doc/ directory to .gitignore

tmroeder/cloudproxy,cjpatton/cloudproxy,William-J-Earl/cloudproxy,William-J-Earl/cloudproxy,jethrogb/cloudproxy,jethrogb/cloudproxy,William-J-Earl/cloudproxy,William-J-Earl/cloudproxy,jlmucb/cloudproxy,jlmucb/cloudproxy,cjpatton/cloudproxy,jlmucb/cloudproxy,kevinawalsh/cloudproxy,jlmucb/cloudproxy,tmroeder/cloudproxy,cjpatton/cloudproxy,jethrogb/cloudproxy,William-J-Earl/cloudproxy,kevinawalsh/cloudproxy,jethrogb/cloudproxy,tmroeder/cloudproxy,cjpatton/cloudproxy,tmroeder/cloudproxy,jlmucb/cloudproxy,cjpatton/cloudproxy,jethrogb/cloudproxy,tmroeder/cloudproxy