big cleanup of error-handling - re-enabling locally disabled backends works again - cleanup error-messages on config errors
big cleanup of error-handling
- re-enabling locally disabled backends works again
- cleanup error-messages on config errors


git-svn-id: 77a2ea9ad361e718a11071bafecd9426888b997a@1031 152afb58-edef-0310-8abb-c4023f1b3aa9

ctdk/lighttpd-1.4.x,ctdk/lighttpd-1.4.x,ctdk/lighttpd-1.4.x,ctdk/lighttpd-1.4.x