updated .gitignore in preparation for nuget package creation
updated .gitignore in preparation for nuget package creation

luiseduardohdbackup/MembershipStarterKit,luiseduardohdbackup/MembershipStarterKit,Thieum/MembershipStarterKit,troygoode/MembershipStarterKit,Thieum/MembershipStarterKit,luiseduardohdbackup/MembershipStarterKit,troygoode/MembershipStarterKit,Thieum/MembershipStarterKit,troygoode/MembershipStarterKit,Thieum/MembershipStarterKit,luiseduardohdbackup/MembershipStarterKit