Update ChartBar button text

.. when editing it in the chart settings
Honour Font preferences in Side/Scope/Chart bar
ChartBar Buttons in a QScrollArea

.. ready to animate / scroll when more items to show than
   will fit in the button bar space.
Update website for 3.0.2 release
Bin2RideFile: Changes for DataVersion 6 in Joule GPS new firmware
UX Fixups

.. chart bar scroll left and right when too many charts
.. set background in ride plot
.. chart menu says 'More...' instead of down tick
Little More Background Honour

.. updated a few more of the charts to honor the chart
   background property so the chart and chrome are all
   in the color the user specified.
More Charts honouring Colors Preferences

.. Further updates to the charts to honour the background
   color preferences:

        * Google Maps
        * Ride Summary
        * Scatter
        * Details (Metadata)
        * LTM Data View
        * Editor

.. still a few left to do and not entirely happy with how
   things look on the editor but we can fix this up over
   time.
Less subtley on interval hover

.. just a bit easier to see with less alpha.
Fixup button bar with lots of texts
Oops needed to set Min Width not Fixed

.. otherwise if smaller than window leaves a nasty
   blank render to the right of the buttonbar.
Move release files to GitHub releases

Uploaded binaries to GitHub and linked to release information.
Updated web pages to point to new binary locations.
Fix LTM legend colours

.. when user changes the background color for charts the
   legend can be difficult to read as it is always in black.

.. we now update the legend and it's widgets to change the text
   color when the chart is refreshed.
Fix stylesheet for 'More...' when config changes
Fix SEGV on add chart with Qt5

.. and also selects the first chart on the chartbar at startup.
HrPw honours background color preferences

.. bringing it in line with the other charts honouring the
   background color chart preference.
TreeMap plot honour background colors
PMC Chart honour background
Bing Map honour background

.. and small cosmetic fix for google map to be right colors
   whilst loading the map too .. stop nasty flicker.
3d plot honour background color

.. it already had plot background just needed to honour for
   the frame too.

.. also fixed default empty window to use correct colors.