Completely rewrote tagmap generation

Fixes #63
Fixes #591

build/arguments.sh

@@ -8,9 +8,6 @@ if [ -z "$inc_arguments" ]; then
 
   while [ "$#" -gt 0 ]; do
     case "$1" in
-      --legacyglobs)
-        readonly legacyglobs=true
-        ;;
       -s|--statusdir|--status-dir)
         [ "$#" -gt 0 ] && shift 1 && statusdir="$1"
         ;;
@@ -57,11 +54,6 @@ if [ -z "$inc_arguments" ]; then
         [ "$#" -gt 0 ] && shift 1 && processor="$1"
         [ "$#" -gt 0 ] && shift 1 && olang="$1"
         ;;
-      map_tags)
-        command="$1$command"
-        shift 1
-        break
-        ;;
       sourceglobs)
         command="$1$command"
         [ "$#" -gt 0 ] && shift 1 && sourcesfile="$1"
@@ -113,7 +105,6 @@ if [ -z "$inc_arguments" ]; then
     sourceglobs)     [ -z "$sourcesfile" ] && die "Missing .sources file" ;;
     lang_sources)    [ -z "$sourceglobfile" -o -z "$lang" ] && die "Need source globfile and language" ;;
     cast_refglobs)   [ -z "$globfile" -o -z "$reffile" ] && die "Need globfile and reffile" ;;
-    map_tags)        true;;
     wakeup_news)     true;;
     *help*)          print_help; exit 0 ;;
     *)               die "Urecognised command or no command given" ;;