As it is the string, make it of fixed string

As get and put actions are deterministic there is no need to loop
over various schemas when checking data. If there is an error it is
returned directly.

* allDocs now behave like others action mode and return the result
of the match
* It allows greater customization of the output data

* use get Input Schema of JSON form
* get schema url uses absolute url.

* Introduce Separate JSON Schema Form Editor Gadget
* Introduce Separate JSON Schema Text Editor Gadget
* Add djv for simple validation in Text Editor Gadget
* Introduce Switch Editor Gadget to easily switch from form to text
* Always displays response
* Lint code
* Remove manual html manipulation and use domsugar
* Display API related information at the top