Change the container-regs kv pair in the qRegsiterInfo
reply to be hex encoded, not decimal.

Fix the whitespace in the container-regs/invalidate-regs
documentation, fix one ambiguous hex/decimal number in an
example.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@173225 91177308-0d34-0410-b5e6-96231b3b80d8