remove redundant variable from config/initializers/00-core_plugins.rb

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11712 e93f8b46-1217-0410-a6f0-8f06a7374b81
code layout clean up issues_helper_test.rb

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11713 e93f8b46-1217-0410-a6f0-8f06a7374b81
remove redundant 'IssuesHelper#' from issues_helper_test context

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11714 e93f8b46-1217-0410-a6f0-8f06a7374b81
remove trailing white-space from app/models/role.rb

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11715 e93f8b46-1217-0410-a6f0-8f06a7374b81