Separated FormatNavigator and FormatManager in two different files ; moved FormatCategoryItem enum out of FormatManager.h as a debugger-wide lldb_private enum ; minor style cleanups

git-svn-id: https://llvm.org/svn/llvm-project/llvdb/trunk@138307 91177308-0d34-0410-b5e6-96231b3b80d8
7 files changed