Bumped remodal to 0.1.6.
Use flat badge style.
Remove .kateproject.d/ from .gitignore.
Bump jekyll and jekyll-assets versions.
Bumped firebase version.
Bumped css-spinners version.
Set --no-document in .gemrc for Travis builds.
Add --- to yml files.
Use punctuation for comments in .travis.yml.
MathJax cdn uses https.
Bump jekyll to 2.2.0.
Bump coffee-script to 2.3.0.
Bump firebase library versions.
Bump remodal to 0.2.0.
Jekyll to 2.3.0.
Update sass to 3.4.3.
Update firebase libs.
Merge branch 'master' into demo