Add meta tags

Courtesy of http://html5boilerplate.com/ these will help ensure site displays
properly in IE and mobile devices.
Tweak pager buttons styling

Updated icon and style to more closely resemble mock
Make header navbar look more like mock

I used a different down arrow since I didn't have an icon or image of the exact
one from the mock.
Remove unused mimosa-config
Tweak more link to look more like mock
Tweak post date style
Make more mobile friendly

Fortunately the main responsive behaviour is already handled by using the
proper bootstrap classes.
I did decide to make the navbar collapsable since it would be the best
experience on a small screen. This require me to add jquery and some bootstrap
javascript to the page and tweak the navbar styles a bit though it did lead me
to realize I had some unneccesary styles on the navbar.
Simplify build process

Now you just have to npm install and use make.bat to run mimosa and build
project as opposed to having mimosa installed globally.
Commit built site

By add the public directory to git its easier to see the built webstie without
having to run mimosa