separate gibberish-aes.js from jsencryption.js
update gibberish-aes library 2014-04-17

https://github.com/mdp/gibberish-aes
remove deprecated getInfo() ,instead use  plugin.info.txt
Japanese language support
use JSINFO to pass PHP vars to JavaScript
use DokuWiki's JavaScript dispatcher
remove deprecated getInfo()
separate DW related functions in jsencryption.js to script.js
add README.md
PHP Strict
plugin.info update
Merge pull request #2 from ssahara/dev

various refinements to increase maintenability