Merged #188. Adds mock library for wfmanager GUI tests

Merged #282. Unicode check and porting to python3

Removed force-bootstrap from the travis environment. using default

Added the install step to the CI package, instead of having it in the build-env

Removed support for python 2.7

Bumped version to 0.3.0.dev0

Release 0.2.0

Verifier Fix