Working on index page and minor styling improvements

- Updated to new version of Less.js (1.7.0)
- Formatted color.less and added template for making colors
- Formatted column.less and added a few width styles
- Separated all form styles into new form.less
- Removed all form styles from mixin.less
- Improved index.html with new visuals/effects
- Added animations for body on load and the grid system
- Added some styles for index.html and separated form code