Version bump.
Update release checklist. [ci skip]
Release checklist: defer master/tag push until after testing. [ci skip]
Whitespace fix. [ci skip]
Use pybtex-docutils plugin.
Simplify some code.
Changelog update.
Travis fix: pybtex-docutils is not yet on the mirrors, so install from git. [to be reverted later]
Merge pull request #38 from mcmtroffaes/feature/pybtex-docutils

Use the pybtex-docutils plugin.
Set version and date for release.
Checklist: tag only after tests pass.
Merge pull request #39 from mcmtroffaes/release/0.2.8

Release version 0.2.8.