Fixes bug where all keyboard events are prevented from propagating.

Added option to allow for keyboard events to change slides.

Ensured calls to the scroll public function emits scrollStart and scr…

…ollEnd events.

Implemented touch support for swipes.

Added ability to manually scroll up or down.

Added option to allow top-to-top scroll

Updated minified version and bumped package versions.

Merge branch 'pudgereyem-master'. Fixes d4nyll#8.

Integrated lethargy as a soft dependency to fix problems with inertia…

…l scrolling

Added responsive support