build: added Lua to Dockerfile

scripts/Dockerfile

@@ -3,11 +3,11 @@ MAINTAINER Marek Vavrusa <marek.vavrusa@nic.cz>
 
 # Environment
 ENV THREADS 4
-ENV BUILD_PKGS git-core make gcc libtool autoconf pkg-config cmake libgnutls28-dev libjansson-dev
-ENV RUN_PKGS libgnutls-deb0-28 libjansson4
+ENV BUILD_PKGS git-core make gcc libtool autoconf pkg-config cmake libgnutls28-dev libjansson-dev liblua5.2-dev
+ENV RUN_PKGS libgnutls-deb0-28 libjansson4 liblua5.2-0 lua5.2
 ENV PREFIX /usr/local
 ENV BUILD_DIR /tmp/build
-ENV BUILD_IGNORE gmp nettle jansson gnutls
+ENV BUILD_IGNORE gmp nettle jansson gnutls lua
 
 # Expose port
 EXPOSE 53