Moved isLinkNameFormatValid function out of id_user module to new common module. This function is going to be used by other form validation functions that require to validate linkname (different kind of Groups, Programs etc).
Patch by: Pawel Solyga
Review by: to-be-reviewed
# Please sort this file in alphabetical order by last (given) name.
# Please only include one name per line. If an (optional) email address is
# included, it must be RFC 2821 compliant (properly quoted, escaped, etc.).
# Lines beginning with # can be stripped from the file, as can blank lines.
"Todd Larsen" <tlarsen@google.com>
"Sverre Rabbelier" <sverre@rabbelier.nl>
"Pawel Solyga" <pawel.solyga@gmail.com>