Run the `Utilities/Scripts/clang-format.bash` script to update
all our C++ code to a new style defined by `.clang-format`.
Use `clang-format` version 3.8.
* If you reached this commit for a line in `git blame`, re-run the blame
operation starting at the parent of this commit to see older history
for the content.
* See the parent commit for instructions to rebase a change across this
style transition commit.
Teach CTestCoverageCollectGCOV to honor the
CTEST_EXTRA_COVERAGE_GLOB variable. When this variable is set,
this module will glob for matching source files that were not
covered and include them in the resulting tar file.