<rdar://problem/12632394>

Add a format for FourCharCode

This is now safe to do thanks to the "formats in categories" feature



git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@192233 91177308-0d34-0410-b5e6-96231b3b80d8
Tweak documentation for formats in categories

git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@192235 91177308-0d34-0410-b5e6-96231b3b80d8
<rdar://problem/14028923>

Implement SBTarget::CreateValueFromAddress() with a behavior equivalent to SBValue::CreateValueFromAddress()
(but without the need to grab an SBValue first just as a starting point to make up another SBValue out of whole cloth)



git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@192239 91177308-0d34-0410-b5e6-96231b3b80d8