Rework build process

Solves #2 (closed)

tools/lib_get.sh

+#!/bin/sh
+
+aegisub="$*"
+if [ "x$aegisub" = "x" ]
+then
+    aegisub=$(which aegisub)
+    [ $? -ne 0 ] && exit 1
+fi
+
+ldd "$aegisub" | awk '{ if ($2 = "=>") { print $1 " " $3 } }'