.. gets rid of an iritating compiler warning when
compiling with VS2015 and MSVC
.. is good because user metrics aren't fixed so the
assert assumption is wrong now
.. means we have to add assert.h to all the source
files that had it from including RideMetric.h
and want to use it.
introduced a base clase for the individual uploaders to reduce code
duplication.
This made it possible to
- default to download a ride to a service if it wasn't uploaded, yet.
- grey out checkboxes for services without credentials
