add move/delete permission flags

docs/example.conf

@@ -10,19 +10,25 @@ u k:k
 # share "." (the current directory)
 # as "/" (the webroot) for the following users:
 # "r" grants read-access for anyone
-# "a ed" grants read-write to ed
+# "rw ed" grants read-write to ed
 .
 /
 r
-a ed
+rw ed
 
 # custom permissions for the "priv" folder:
-# user "k" can see/read the contents
-# and "ed" gets read-write access
+# user "k" can only see/read the contents
+# user "ed" gets read-write access
 ./priv
 /priv
 r k
-a ed
+rw ed
+
+# this does the same thing:
+./priv
+/priv
+r ed k
+w ed
 
 # share /home/ed/Music/ as /music and let anyone read it
 # (this will replace any folder called "music" in the webroot)
@@ -41,5 +47,5 @@ c e2d
 c nodupe
 
 # this entire config file can be replaced with these arguments:
-# -u ed:123 -u k:k -v .::r:aed -v priv:priv:rk:aed -v /home/ed/Music:music:r -v /home/ed/inc:dump:w
+# -u ed:123 -u k:k -v .::r:a,ed -v priv:priv:r,k:rw,ed -v /home/ed/Music:music:r -v /home/ed/inc:dump:w:c,e2d:c,nodupe
 # but note that the config file always wins in case of conflicts