Switch to side-by-side view

--- a
+++ b/tests/js/Makefile
@@ -0,0 +1,7 @@
+# Make single-file jslint script out of  main script (from jslint.com,
+# patched by us to tweak its behavior, as it configurability leaves much
+# to be desired) and Rhino support module. Needed because Rhino accepts
+# only single file as script.
+
+jslint.js: fulljslint.js rhino.js
+	cat $^ >$@