Update model.BBRInfo to use inetdiag.BBRInfo

Add access.TokenController for monitoring-aware token-based access control (#269)
Add separate structs for ndt5 & ndt7 datatypes (#271)
Use inetdiag.BBRInfo as base of model.BBRInfo (#273)

Apply TxController to plain ndt5 control channel

Apply TxController to ndt5 "plain" socket Accept calls (#268)

Apply TxController

Preserve chain with txcontroller, update flag name for consistency (#265)

Clear text ndt7 protocol & TxController access control

Add TxController for resource aware access control (#247) …
Remove connection to ETL pipeline. (#253)
ndt7/protocol: servers SHOULD send measurements during upload (#254) …
Make ndt7 work over cleartext (#222)
ndt7: start refactoring to reduce the number of channels (#248) …
Add access control to ndt7:80 and ignore TxController errors (#259) …
ndt7: always include ConnectionInfo (#261) …
Remove ndt7 datatype directory decorations (#264) …

Update NDT7

NDT7 client simplification, NDT7 data directory now has one less layer and conforms to M-Lab best practices.

Add UUIDs to log output

To aid in debugging of server bugs.

Fix NDT S2C test for legacy clients

Merge pull request #218 from m-lab/sandbox-roberto

Fix timeout at the end of S2C tests

NDT7 updates, small NDT5 bugfixes

Merge pull request #188 from m-lab/pasta-and-pizza

Address three P0 ndt7 issues: PASTA, ping, JavaScript

Goroutine leak bugfix

A bugfix release to plug a goroutine leak.

Adds tcp-info data to web100 results, eliminates quantization for slow clients

The advanced statistics output by NDT now contain tcp-info data
Quantization has been eliminated for slow clients. Now, a slow upload or download will result in a small measurement rather than a zero measurement