Change title&GadgetField to validate test
1. Change title because of test name convention.
2. GadgetField make div instead of section
Add gadget_activity_watcher.js because of no nomre jslint &Change Id to ID for naming convention
Add handlebars.js in ignore file list because of no norme jslint
support pylint 1.4.0 with keeping backward compatibility with older versions.
add jsl.conf so that we can disable some warnings.
Attribute prefixed by data-* for HTML5 Doctype
erp5_trade: enable template creation for purchase order
erp5_web_renderjs_ui: add compatibility with other bt5 by calling same method names
Use FileValidator to post element's value  with key