[#153] Close Data point after form submission

* Bump version number
[#153] Do not allow multiple saved forms

* Automatically open saved forms from form list
* Update DB methods/queries
[#153] Disallow multiple registration responses

* Only 1 response is allowed to registration form
[#153] Move 'pre-fill' to menu

* Reuse dialog upon option selection
Merge pull request #163 from akvo/issue/153-workflow

Code checked