Fixed js / css issues.
Fixed returnpage parameter extraction, refs #900.
Fixed bug where "registration with user name" button was not displayed when third party auth modules where used.
Merge pull request #1568 from cmfcmf/users-fix

This PR was merged into zikula:1.3 branch.

Discussion
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Fixed minor css / js / html issues, fixed returnurl extraction, fixed bug regarding to third party authentication modules

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | ---
| Fixed tickets | ---
| Refs tickets  | #900
| License       | MIT
| Doc PR        | ---


Commits
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2bdde44e939fc220c5ecbe105341b661e4b8a5eb Fixed js / css issues. cmfcmf
462e28daf217e7e10cfed0cb6b35e4690a1aaa9f Fixed returnpage parameter extraction, refs #900. cmfcmf
39e4690e6efa0adf7d090f564eb35aa728315aff Fixed bug where "registration with user name" button was not displayed when third party auth modules where used. cmfcmf