Minor ASTUnit cleanups:
  - Rename "Diagnostics" and related to "StoredDiagnostics", to better
  capture what we're actually storing.
  - Move SourceManager and FileManager to the heap.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100441 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed