Issue #40: Fix minify plugin trying to compress *.css.map files.
Issue #40: Fix minify plugin trying to compress *.css.map files.

mk23/jmxproxy-test,mk23/jmxproxy-test,mk23/jmxproxy-test,mk23/jmxproxy,mk23/jmxproxy,mk23/jmxproxy,mk23/jmxproxy,mk23/jmxproxy,mk23/jmxproxy-test,mk23/jmxproxy,mk23/jmxproxy-test,mk23/jmxproxy-test