Merge pull request formio#77 from formio/rc1

RC1 release

Version bump.

Merge branch 'master' of https://github.com/formio/ng2-formio

Merge branch 'master' of https://github.com/formio/ng2-formio

Merge pull request formio#62 from formio/ng2-helpers

Adding other helpers.

Version bump.

Updated types in package.json and formiojs.

Fixed the table component.

Fixed error handling and button spinner.

Merge branch 'master' of https://github.com/formio/ng2-formio