add estira
move into lib
classy
package
new build system using externalities
initial rewrite to estira
port to new estira
fix inserting range after
fix events
fix phantom
fix deps, requirejs demo
estira doesn't set displayname
basic touch event support
fix opposite end dragging, utching with left handle
get rid of phantom on touch start
add range removal support, fixes #22
Merge pull request #28 from quarterto/feature/estira

Rewrite using Estira (don't merge yet)