[ADAM-486] Add port option to viz command.
Merge pull request #487 from fnothaft/unhardcode-viz

[ADAM-486] Add port option to viz command.
[ADAM-480] Switch assembly to single goal.
Merge pull request #481 from fnothaft/run-assembly-once

[ADAM-480] Switch assembly to single goal.
Documentation cleanup and style improvements
Merge pull request #492 from massie/doc-cleanup

Documentation cleanup and style improvements
[ADAM-496] Changes VCF to flat ADAM command name and usage

Fixes #496.