Test for correct usage of columnWidth in clang fixit hints.

Summary:
This test only works on systems capable of outputting UTF-8 encoded
text on the standard output (tested on linux and OS X, should XFAIL on windows,
if I haven't messed up the XFAIL line).

Reviewers: jordan_rose

Reviewed By: jordan_rose

CC: cfe-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D1607

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@190537 91177308-0d34-0410-b5e6-96231b3b80d8
ObjectiveC migrator. Modify inferred property name
such that it does not lower case the staring property
name if getter name (after "get" prefix) starts with 
two upper case letters.


git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@190539 91177308-0d34-0410-b5e6-96231b3b80d8