Fixed: "obj" parameter is not defined for macros used in description of documents (#13821).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11761 e93f8b46-1217-0410-a6f0-8f06a7374b81
Propose system activities only when reassigning time entries (#13783).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11762 e93f8b46-1217-0410-a6f0-8f06a7374b81