Reconstructed ActionPanel

Now we use `er/events` module to listen action load and fail to ensure
redirect/reload in child action could be detected
Added reload method
Added ignore
Fixed to fire actionloaded event after action actually entered
Exposed more events and added two proxy interfacess

Exposed more events and added two proxy interfaces
Fixed an mistake in method invocation
Added demo for ActionPanel

It's simple and unusable in IE
Added getGroup method to UIView

related to
https://github.com/ecomfe/esui/commit/dffa8c31399031f00e7d0625bbebe2307b
66118b
Added popActionDialog function

Added popActionDialog function
Fixed bug

Fixed bug
Added error handling when no url is given
Added lazy load to ActionPanel
Exposed disposeAction method
Merge branch '3.0.2' of https://github.com/ecomfe/ef into 3.0.2
Added resize handling and handlefinish event

Added resize handling and handlefinish event
changed default setting

changed default setting
Added autoClose  tag

Added autoClose  tag
Fixed code style
Merge branch '3.0.2' of https://github.com/ecomfe/ef into 3.0.2
Enhanced view name generation algorithm