Format all floats with 2 decimals in the issue list (#13126).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11350 e93f8b46-1217-0410-a6f0-8f06a7374b81
Fixed that long project names in the header may overlap the main menu (#13127).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11351 e93f8b46-1217-0410-a6f0-8f06a7374b81