Fix bug: accidentally broke general feature export when closing #77. Fixed.
Install and enable smart_trim module by default. Closes #87.
Install and enable mailsystem module by default. Closes #78.
Add lead-in class to whitelist of css filtered html allowed classes. Turn on wysiwyg style support by default. Remove extraneous wysiwyg profile setup now that we have a feature. Closes #81.
Fix typo in comment.