made installer_win easy to use (tab completion)

build.sh

@@ -154,7 +154,7 @@ installer_win() {
 
     # there is just too much garbage in this installer function to
     # have it all here..
-    . installer-win.sh
+    . ../installer_win
 
     cd ..
 }
@@ -171,14 +171,6 @@ fi
 
 # process commandline arguments and do something
 done_something=0
-if [[ "$*" == *all* ]]; then
-    fetch
-    prepare
-    build
-    package
-    installer_win
-    done_something=1
-else
 if [[ "$*" == *fetch* ]]; then
     fetch
     done_something=1
@@ -199,11 +191,9 @@ else
     installer_win
     done_something=1
 fi
-fi
 
 
 if (( done_something == 0 )); then
     echo "Usage: $0 fetch | prepare | build | package | installer_win"
-    echo "       use the parameter 'all' to just do everything."
     exit
 fi