Also fix background color rendering for run status


git-svn-id: https://llvm.org/svn/llvm-project/lnt/trunk@209018 91177308-0d34-0410-b5e6-96231b3b80d8
Add select all checkbox for report tables


git-svn-id: https://llvm.org/svn/llvm-project/lnt/trunk@209019 91177308-0d34-0410-b5e6-96231b3b80d8