Fix typo in online installer URLs

Fix the URLs to point into correct address

Change-Id: I65caf06855b3de6f30c6ff3701b109bf82d55a70
Reviewed-by: Sergio Ahumada <sergio.ahumada@digia.com>
build_wrapper: Fix typo in copy to mirror brain

This is a left-over from fbfaf737d2ee17466cb71165810d1b586aa4f85b

Change-Id: I1317fb821f8ea1d7505c9501625f0bd8124bc8d7
Reviewed-by: Iikka Eklund <iikka.eklund@digia.com>