[PATCH] Use -std=c++11 when no arguments are provided.

[Edwin Vane]

  One small fix. Otherwise LGTM.


================
Comment at: docs/MigratorUsage.rst:49-50
@@ +48,4 @@
+
+  If *neither* ``--`` *nor* ``-p`` are specified a compilation database is
+  searched **for** starting with the path of the first-provided source file and
+  proceeding through parent directories. If no compilation database is found or
----------------
This is what happens when you use markup to talk about markup... I didn't intend for you to use markup around neither, nor, or for. Please make them regular text.


http://llvm-reviews.chandlerc.com/D1337