Merge pull request #1 from dthies/master

Rearrange braces to work with TeX binaries
Update settings.php

Refine TeX MathJaX compatibility of symbols
Update styles.css
Update settings.php

Further tweaks to work with both TeX and MathJax filters
Update settings.php

Remove bounding $ from \dagger and \\ddagger
Update version.php

Update to release candidate 2
Update settings.php
Bugfix release candidate 3
Update settings.php
Fix button icon
Fix button icon
Fix button icon
Fix button icon
Fix \ce{ } mhchem delimiters
Update version.php
Update README.md