Run tests on MySQL and use travis-$DB environments.

refs #921
fixes #1385
Bugfixes for tests
Merge pull request #1393 from halfdan/1385-travis-testing

Run tests on MySQL and use travis-$DB environments.
Properly format publish date.

fixes #1335
Automatically replace unicode characters with ascii characters for slugs.

fixes #1285
Render a page template if it exists in a theme for a post marked as page.

Closes #1329.
Merge pull request #1338 from halfdan/1335-publish-date-format

Properly format publish date.
Merge pull request #1408 from halfdan/1285-unidecode

Automatically replace unicode characters with ascii characters for slugs...
Merge pull request #1412 from egdelwonk/feature/1329_page_template

Render a page template if it exists in a theme for a post marked as page
Updating Casper to latest inc page template