Fixed bug in JCRWikiPage.isAttachment() that caused non-existent pages to be erroneously treated as attachments.
Fixed bug in JCRWikiPage.isAttachment() that caused non-existent pages to be erroneously treated as attachments.

git-svn-id: 6c0206e3b9edd104850923da33ebd73b435d374d@766529 13f79535-47bb-0310-9956-ffa450edef68

tateshitah/jspwiki,tateshitah/jspwiki,tateshitah/jspwiki,tateshitah/jspwiki