Travis-CI: move configlet calls to before_script (#1134)
Travis-CI: move configlet calls to before_script (#1134)

Resolves #1130
N-Parsons/exercism-python,N-Parsons/exercism-python,behrtam/xpython,smalley/python,exercism/xpython,behrtam/xpython,jmluy/xpython,smalley/python,exercism/python,jmluy/xpython,exercism/xpython,exercism/python