Fixup renaming of Views

.. missed in a few minor places.
CP chart settings into tabs

.. there were too many settings on one page
   so split into tabs
Fix sidebar resiziung bug

.. caused by CP plot.

.. have no idea /why/ this occurs, but fixed by commenting
   out the div scale for the CP plot (that isn't needed anyway)
CompareInterval ridefilecache

When an interval is added to the compare pane we now
compute the RideFileCache so it can be re-used in the
Histogram and CP charts without computing it each time.
Refactor arrays out of PowerHist class

.. in preparation for updating for compare mode.
merge upstream into master