Deal with remaining css files we were importing

Instead of linking to bootstrap.min.css, import the piece we were missing, tooltip.less.
Instead of @import jquery.fancybox.css, copy it to jquery.fancybox.less, and @import that,
which our build process converts to merging the file into our master css file.
Merge pull request #90 from JohnThomson/feature/cleanupCssImport

Deal with remaining css files we were importing
Add missing fancybox png
Merge branch 'develop'