collection/info.html: move alerts out of <div> with content.

No functional changes.
account/register.html: move alert out of <div> with content.

No functional changes.
account/activate.html: move alerts out of <div> with content.

No functional changes.
account/auth.html: move alerts out of <div> with content.

No functional changes.
account/auth.html: removed span12 class that adds extra ident.

No functional changes.
collection/info.html: put content after header.

User visible change.
No functional changes.