Fix context menu in ride editor (QT5 only)

... same problem as in 'Ride Navigator'  (only QT 5.3.1) (fixed on June
20th)
... tested both 4.8.6 and 5.3.1 now
...
https://github.com/GoldenCheetah/GoldenCheetah/commit/88e1dc5745462a752c78c3d8c9ff9cc5d0a393b6
Merge pull request #993 from Joern-R/pull4

Fix context menu in ride editor (QT5 problem only)
Fix Column Widths Nit

.. in ride navigator for new athlete
Spanish translation update
Merge pull request #994 from amtriathlon/master

Spanish translation update
Heat Map work in progress
Clean up heatmap and add comments
Add FixElevation

Only works on short rides atm (<20 miles ish)
FixElevation now works for any length ride.
Heatmap small speed up

Reduce number of pints picked up by increasing the distance between
points to 40m
Increase the alph level to compensate
Ignore files
Add files to project
Fix conflicts with upstream merge
Add filtering to Elevation data
Project file
Drop large negative elevations before smoothing
Stop day of week shift on LTM plots grouped by week
Fix merge conflict U/M
Heat Map work in progress
Add FixElevation

Only works on short rides atm (<20 miles ish)