* de-mystify tests & run them in parallel (#1031)
* test optimization for jenkins (#1093)
* makefile cleanup
* tests: split fast and slow go tests, closes#1055
* pr comments
* restore circle conditions
* fix need_abci
* ...
* docker run: no :Z for circle?
* Remove cmd breaking comment
- update docker machine version to 0.9.0
- save coverage.txt as artifact
- save docker logs as artifact
- test if coverage.txt exists
- 2>&1 redirect stderr to stdout in tests
Zach
Ethan Buchman
Anton Kaliaev