Specify id one step deeper.
Added possibility to skip the login form fields page.
Merge pull request #1607 from cmfcmf/skip-loginformfieldspage

This PR was merged into zikula:1.3 branch.

Discussion
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Added possibility to skip the login form fields page.

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | yes
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | ---
| Fixed tickets | ---
| Refs tickets  | #900
| License       | MIT
| Doc PR        | ---

This adds the ability for authentication modules to avoid one of the user's clicks for a new account registration.

Commits
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92aac5d74f4a25d88d111ed4918a37c8b47803e9 Specify id one step deeper. cmfcmf
2327df7dae4dd4a3173eb6cad0b9c990be8381f1 Added possibility to skip the login form fields page. cmfcmf