Merge pull request #1583 from scott/dev/2.8/prepare-2.8.0

Dev/2.8/prepare 2.8.0

Merge pull request #1495 from scott/dev/2.7/prepare-2.7.0

Dev/2.7/prepare 2.7.0

Merge pull request #1392 from scott/dev/2.6/prepare-2.6.0

Update version, add new copyright notice

Merge pull request #1364 from scott/dev/2.6/add-user-status

Add agent availability toggle

Merge pull request #1319 from scott/dev/2.5/prepare-2.5.0

prepare 2.5 release

Merge pull request #1283 from scott/dev/2.4/prepare-2.4.3

Prepare 2.4.3

Merge pull request #1270 from scott/dev/2.4/prepare-2.4.2

Up version 2.4.2

Merge pull request #1226 from scott/release/2.4.1

Update version 2.4.1

Update: Version 2.4.0

Merge pull request #1081 from scott/docker/enhanced

Docker/enhanced