add dav-sync outgoing command

merges feature/dav-edit

adds support for option terminator '--' feature/dav-edit

adds support for -L option in dav edit feature/dav-edit

cmd_edit: fixes wrong return code if the user did not change the file feature/dav-edit

cmd_edit. fixes wrong variable in second strlen() call feature/dav-edit

look up temp location + coherent return codes feature/dav-edit

cmd_edit: replaces unlink() with sys_unlink() + keep tmp file on resource error feature/dav-edit

removes win32 support for dav edit feature/dav-edit

adds documentation for the edit command feature/dav-edit

reimplement dav_exists by using dav_load_prop feature/dav-edit

adds documentation of crypto flags to edit command feature/dav-edit

(0) -300 -100 -12 +12 +100 tip

mercurial