update README

darshan-test/regression/README.txt

-This directory contains regression tests for both the runtime and util components of Darshan,
-assuming that Darshan is already compiled and installed in a known path.
+This directory contains regression tests for both the runtime and util
+components of Darshan, assuming that Darshan is already compiled and
+installed in a known path.
 
 The master script must be executed with three arguments:
 
 1) path to darshan installation
-2) path to temporary directory (for building executables, collecting logs, etc. during test)
+2) path to temporary directory (for building executables, collecting logs, 
+   etc. during test)
 3) platform type; options include:
    - ws (for a standard workstation)
 
-The platform type should map to a subdirectory containing scripts that describe how to
-perform platform-specific tasks (like loading or generating darshan wrappers and executing
-jobs).
+The platform type should map to a subdirectory containing scripts
+that describe how to perform platform-specific tasks (like loading or
+generating darshan wrappers and executing jobs).
 
-TODO:
----------
-- tie this in with the "automated" directory in the tree, which already performs automated
-  build tests (but no runtime tests) in Jenkins