Create test process

For the test suite, procps used to use sleep which would just
create a process or two to test the tools against.  Some setups
coreutils creates all programs including sleep into one blob which
means a lot of the tests fail, see issue #2

procps has its own sleep program now.

lib/.gitignore

@@ -1,4 +1,5 @@
 .dirstamp
 test_fileutils
+test_process
 test_strutils
 test_nsutils