Suppress PHP warnings

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@50761 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] socialnetworks: Make facebook login work better when login_is_email (thanks BSfez)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@50762 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] socialnetworks: Restore validation on registration form for socialnetworks_firstlogin (lost since Tiki 6 xajax removal i think, required refactoring the validation js into registrationlib) Also removed some bad CSS

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@50763 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] edit templates: Don't add unnecessary whitespace to template contents

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@50765 b456876b-0849-0410-b77d-98878d47e9d5