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.
Write to the timeout test log file before sleeping and flush to be sure
it is created. Move the check that the after-sleep line is not written
out to the ctest script. Rename the CheckChild test to TestSleep since
it no longer checks. Do not try to read the log file if it does not
exist.