mBuild 0.9.2

Breaking Changes

• Python 3.5 is no longer officially supported or tested on as part of the development process.

Features

• mBuild is now tested and packaged on Python 3.7 (#542)

Maintenance

• MDTraj is no longer pinned to an old version (#542)
• Coveralls is dropped; we have been using codecov for a few months (#542)