Added live type events plugin to docs

beforetyping, typing, paused, stopped typing events for RactiveJS.
Merge pull request #144 from svapreddy/patch-1

Added live type events plugin to docs
allow zooming on mobile (#147)
fix link to Using Ractive With Backbone
Merge pull request #150 from waynebaylor/patch-1

fix link to Using Ractive With Backbone
Ractive.extend(): fix example
Merge pull request #152 from sigod/patch-1

Ractive.extend(): fix example
add an edge version that doesn't overlap with latest
so that the cdn naming convention and the docs naming conventions match
add and update docs for edge partial, parent/container, binding directive, and other changes