[PATCH] cpp11-migrate: Docs refresh

[Edwin Vane]

================
Comment at: docs/MigratorUsage.rst:10
@@ +9,3 @@
+
+If the ``-p`` option is not specified, ``--`` is required. Compiler
+arguments required to compile the source file, if any, are placed after
----------------
Ariel Bernal wrote:
> Maybe  some brief explanation of -p //If the build path option "-p" is not specified...// or something like that?
The `-p` option is described below. What else did you have in mind?


http://llvm-reviews.chandlerc.com/D927