Adding the shepherd js library.
Added auto update for picturefill
add rxjs v2.3.7/2.3.8
add font-awesome v4.2.0
Merge pull request #3780 from rmorrin/master

Added auto update for picturefill
format package.json of picturefill
add picturefill v2.1.0
set underscore dependency to ~1
add p5.js v0.3.5
should not ignore npm packages so that we dont need to install on travis again
upgrade npm package execSync and fs-extra
Adding the autodupdate to cldrjs.
            Adding autoupdate support for globalize js
Merge pull request #3760 from ppavlov/cldrjs

Adding autoupdate for cldrjs.
Merge pull request #3719 from ppavlov/shepherd

Adding the shepherd js library.
Merge pull request #3718 from ppavlov/globalize

Adding autoupdate support for globalize js
add velocity v1.0.0(auto-update filenames changed)
update auto-update files of cldrjs
add and fix shepherd v0.2.0~0.5.1
add knockback v0.19.4