'Rest' tab improvement: submit request on ENTER.
Merge pull request #214 from deborasetton/issue/submit-form-on-enter

'Rest' tab improvement: submit request on ENTER.
update README and clean up duplicated dependencies

There is a Grunt task that was not documented which should fix the
`ng-include` issue, so I added that to the README.

There were also some duplicated dependencies in the `package.json` so I
cleaned that up.
Merge pull request #218 from rcsole/update-readme-and-dependecies

update README and clean up duplicated dependencies
track selected analysis index by name

this way, the selected element is kept across state refresh.

closes #216