Release v2.3.2

Release 2.2.1

This is the same as 2.2.0rc. Trying to fix esamattis#219

Version 2.3.1

Version 2.3.0

Version 2.2.0rc

version 2.1.1

Merge pull request esamattis#67 from MatthewMueller/patch-1

Update lib/underscore.string.js

Merge pull request esamattis#45 from iangreenleaf/master

Fix standalone mode

Changed version

center, ljust, rjust aliases for lrpad, lpad, rpad methods