Working on congestion tests.
Tests, fixes for SpanList.
Merge branch 'master' of https://github.com/highfidelity/hifi into metavoxels
Fix for streams' getting stuck on the final part.
Clear script engine errors once they have been reported

So that an error is not repeatedly reported to the console and log file.
Also consistently report filename.
And scripts included after one in error will now be run.
Reset the write position when we hear of packet loss (up to once per round
trip time).
Merge branch 'master' of https://github.com/highfidelity/hifi into metavoxels
Fix warning and simplify encodeRandomOrder.
Disable strict aliasing for safe type punning, fix potentially uninitialized
variable warning.
Merge pull request #3077 from ctrlaltdavid/19790

Code Review for Job #19790
Basic congestion control using TCP-esque strategy.
Only increase/decrease rate when we want to send more/have sent more than the
minimum, respectively.
Merge branch 'master' of https://github.com/highfidelity/hifi into metavoxels
Merge pull request #3076 from ey6es/master

Fixes for uninitialized variable warnings, disabled strict aliasing to allow safe type punning (and avoid warnings).
Merge branch 'master' of https://github.com/highfidelity/hifi into metavoxels
Merge pull request #3079 from ey6es/metavoxels

Basic congestion control on TCP model, with tests; fixed errors in, added tests for SpanList.