Add example for routes and gadgets.

additional server side encoding.

gadgets that are connected (i.e. change on one affects other through
exposed gadget API).

Clean up.

generate easily. Clean up all created from make process.

version.
Add Makefile which is able to produce a minified version.

unexpected failures.

Add needed basic jio libraries and adjust test accordingly.

- multiple gadget repositories
- multiple gadgets per repository
- API to select proper gadget based on what it provides.

Do use "data-gadget-source" / "data-gadget-handler"  for all gadgets not
just for inline ones (without an URL).

Do use "data-gadget-source" / "data-gadget-handler"  for all gadgets not
just for inline ones (without an URL).

be adjusted in respective requirejs hook.