* add a multiplier to the matrix
* add rounding
* remove scale_factor restrictions
* clamp for overflow error
* update check to match error message
* enforce clamping on < 0 and increase test coverage
* add an invalid scale_factor value to node tests
* increase test coverage
* changelog
* fix incorrect parameter parsing for node osrm and add tests
* fix boost spirit grammar parsing for annotations
* return NotImplemented when distance annotation is requested for MLD in table plugin
* update docs
Does not run the nodejs tests in sanitized builds. We'd have to
export LD_PRELOAD='/usr/lib/x86_64-linux-gnu/libasan.so.2'
the asan lib. But it seems like our Clang from mason does not like the
system's libasan. Also we'd need a suppression file for v8 and node.
