Update perfect-scrollbar.css

remove spaces
Adding factory functions
Adding documentation
Adding documentation
Merge pull request #188 from d42f/master

Update perfect-scrollbar.css
Update README.md

Add Gitter and Travis CI status.
Change dragging logic.

Using `updateBarSizeAndPosition` instead of manual update of scrollbar
CSS styles.
Adding factory functions

Adding documentation

Adding documentation
Merge branch 'widget-it' of github.com:cmanzana/perfect-scrollbar into widget-it

Conflicts:
	src/perfect-scrollbar.js
Adding factory functions
Adding documentation
Adding documentation
Merge branch 'widget-it' of github.com:cmanzana/perfect-scrollbar into widget-it