Add 'build' directory to gitignore.

This is the directory that Jekyll ends up creating. We do not want this
popping up in our git status all the time.
Add 'scientist.js' to handle Google Analytics bit.

This library offers a lightweight approach to using GA.
Remove compass files from project.
Update most components with bower.

This adds several components to the project but most namely boostrap and
angular. A lot of the files were re-generated as the project was
initially started as an angular template.

Also removes component.json as bower.json takes over this role.
Fix some dependency issues in bower.json.

Removes some old dependencies and matches the jQuery with the bootstrap
requirement of 1.8.3.