Commits

Wes McKinney authored f391950b8c9
ARROW-1452: [C++] Restore DISALLOW_COPY_AND_ASSIGN usages removed in ARROW-1452 patch Also updated the definition of DISALLOW_COPY_AND_ASSIGN to use the one from Apache Kudu, which has seen significantly more scrutiny than ours (https://github.com/apache/kudu/blob/master/src/kudu/gutil/macros.h#L96). Author: Wes McKinney <wes.mckinney@twosigma.com> Closes #1036 from wesm/ARROW-1452-followup and squashes the following commits: bfab15bc [Wes McKinney] clang-format 75a95b9c [Wes McKinney] Restore DISALLOW_COPY_AND_ASSIGN usages removed in ARROW-1452 patch