code format cleanup WikiController

git-svn-id: http://svn.redmine.org/redmine/trunk@12618 e93f8b46-1217-0410-a6f0-8f06a7374b81
cleanup syntax of Relation#all at app/views/watchers/_new.html.erb

git-svn-id: http://svn.redmine.org/redmine/trunk@12619 e93f8b46-1217-0410-a6f0-8f06a7374b81