Add configuration for year suffix in the header

For Japanese, Chinese and Korean, the year in the header should be
followed by the year character.
Add configuration for having month after year

For Japanese, Chinese and Korean, the order of the header should be
year, then month.
Documentation for yearSuffix, showMonthAfterYear
Update CHANGELOG about new configuration options
Merge pull request #90 from bquorning/asian-languages-configuration

Calendar title configuration for Asian languages
Use proper UMD-wrapper

Updated the UMD to use the proper UMD-Wrapper.
Passing window as root, doesn't add flexibility. The same with window.define.

Passing in this as root, enables the root element to change - default browser behaviour is window.

See more for inspiration:
https://github.com/umdjs/umd/blob/master/amdWeb.js
Add define to globals list.
Reflect same UMD change in jQuery plugin.
Add #96 Use proper UMD-wrapper