fix ripple: disable pointer events
fix select: remove unselect method on elements
feat: progress

Indeterminate progress bar feature added. HTML and Scss done.
feat progress: enhance existing circular progress
feat progress: create service to manage progress
chore demo: include progress
refactor notifications: move into services folder

A new services section has been created. Notifications have been moved
inside from the directives section.
chore dist: update
refactor progress: write service with an API

The service contained a mix of function and unnamed function. This commit rewrite all of
them into function with an API returned at the end of the service.
chore dist: update
Merge pull request #2 from lumapps/feat/progress

feat progress: add circular and linear progresses
chore bower: ignore scss and js file in the root folder
chore bower: ignore favicon
feat colors: Material design color palette with Sass

Create all the colors variants from material design guidelines.
http://www.google.fr/design/spec/style/color.html
chore demo: move demo scss file to demo folder
chore demo: change colors label for better visibility
feat colors: add new colors to default settings
chore demo: remove empty lines from colors scss
chore demo: colors as first css demo
chore demo: notifications as first services demo