Corrected a lot of avalible -> available and recieve -> receive spelling errors. git-svn-id: https://duplicati.googlecode.com/svn/trunk@462 59da171f-624f-0410-aa54-27559c288bec
git-svn-id: https://duplicati.googlecode.com/svn/trunk@311 59da171f-624f-0410-aa54-27559c288bec
git-svn-id: https://duplicati.googlecode.com/svn/trunk@187 59da171f-624f-0410-aa54-27559c288bec