Fixing stupid error I introduced...
I didn't reasign the value of rangesArray after the call to concat. Fixed it.
Merge branch 'master' of https://github.com/vedadux/dxr into vedadux-master
Fix https://bugzilla.mozilla.org/show_bug.cgi?id=1060467
Stop "TypeError: firstRange is undefined" when visiting an URL like
http://dxr.mozilla.org/mozilla-central/source/configure.in#9109-9113