Update Jquery

Update Jquery
Merge pull request #6 from linzian/master

Update Jquery
add widget class loader
add extra title setting
Merge remote-tracking branch 'kksign/master'
fix conflit over SAE
add option to use api over sae
add get_api_path() method
cache result whether there is a new version
fix url of SAE API
fix bug without extra title
Merge remote-tracking branch 'kksign/master'