Adds ignored files that are not produced in Darwin.
Copies svn:ignore to the corresponding .gitignore file.
-N,-M implies -a


git-svn-id: file:///afs/nd.edu/user37/ccl/svn/cctools/trunk@2696 a4d8336d-3463-0410-8bba-c098c45d37a8
Merge remote-tracking branch 'refs/remotes/ccl/remotes/svn/trunk'
Enables compilation of cctools on FreeBSD.
Fixes bug in the wrapper for waitpid when the status pointer is
NULL.