Visual signpost for search/filter

.. scope bar colors update
.. needs fixing up for the Mac
Fix 2 Google Map SEGV

.. webBridge crash in QtWebKit for 4.8.4 (qt-bug 30403)

.. delete GoogleMap leaves webBridge orphaned which will
   crash if intervals are created or removed.

We need a proper fix for the webkit issue which we will get
when we migrate to Qt5.
Add Column Chooser for SearchBox

.. so you can drag and drop fields in when creating a filter.
Merge branch 'master' of git://github.com/GoldenCheetah/GoldenCheetah into upstream_master
Merge branch 'upstream_master'