Add our fonts to .less, remove unused .css
First custom builds

- custom builds
- glyphicons removal
Placeholders for MB font faces tasks
Move fonts faces to theme to avoid 5k lines of CSS
Custom generators (not yet fully functional)
Fonts inclusion, paths cleanup

- we are using shorter and cleaner paths now
- .gitignore modification is always required to be sure that licensed
fonts don't get into remote
Some final changes related to using our fonts
Final build test and output
Merge changes from feature branch. This closes #4