Revert "spitfire notifications Switched to libnotifymm instead of using libnotify directly."

This reverts commit 2e697195f4f4cf6ee960be8db2327d593a58eada.
spitfire communication http Refactored in preparation to split the http into a generic server and http controller.
spitfire communication http cTCPServer -> cTCPConnectionListener.
spitfire network http Moved more functions into cServerUtil to make cConnectedClient more generic.
spitfire network cTCPConnectionListener rearranged.
spitfire communication http Removed http specific logic from cServer.
spitfire communication Moved generic server code from http to network.
spitfire network Fixed comment.
spitfire singleinstance Added cSingleInstance.