remove trailing white-spaces from app/models/user.rb.
remove trailing white-spaces from app/models/message.rb.
remove trailing white-spaces from app/models/issue_relation.rb.
remove trailing white-spaces from app/models/issue_status.rb.
remove trailing white-spaces from app/models/member.rb.
remove trailing white-spaces from app/models/member_role.rb.
remove trailing white-spaces from app/models/enumeration.rb.
replace tabs to spaces at app/views/trackers/index.html.erb.
replace <br> to <br /> at app/views/custom_fields/_form.rhtml.
Rails3: use String#html_safe for render_custom_fields_rows() at IssuesHelper.
