Added the moment.js library to deal with dates/times rendering client-side.
Modified base template to add moment.js tag.
Added a wrapper for MomentJS.
momentjs class has methods like format and render. render returns a jinja Markup object.
Exposing momentjs class as a global variable via Jinja in __init__.py.
Modified the user template for MomentJS.
The last seen date will now be formatted by momentjs.calendar().
Modified the post sub-template with MomentJS.
fromNow() is used as the exact time of a post is not important but how long ago it was made is.
Merge pull request #12 from VaticanCameos/ch13

Adding chapter 13