Core: prevent unnecessary $() rewrapping, re-use local var instead
All: Format HTML as per jQuery style guide

Fixes #1101
Closes #1104
Demos: Fix includes in themerollered demo
Additionals: Add postalcodeIT method

Closes #1107
Demos: Fix captcha and marketo demo

Closes #1103
Merge branch 'master' into umd
Additional: use $ instead of the jQuery variable
Demo: simplified requirejs demo configuration
Demo: added RequireJS Demo to demo/index.html