improve upon text of HPCBIOS_06-04

Signed-off-by: Fotis Georgatos <[email protected]>

HPCBIOS_06-04.rst

@@ -5,17 +5,18 @@ HPCBIOS_06-04: Baseline Editors and Scripting Tools
 
 .. note::
   Each site MUST install and maintain the following baseline set of
-  editors and scripting tools. New versions of these packages SHOULD
-  be installed within 30 days of their availability on all allocated HPC
+  editors and scripting tools. New versions of these tools SHOULD
+  be installed within 30 days of their availability on all compatible HPC
   systems and non-storage user-accessible support servers, and they SHOULD
-  be installed in the users default path. References for obtaining
-  information and downloading these packages are included below.
-  Sites MAY choose to provide certain versions via modules framework.
+  be installed in the users default path OR provided via modulefiles.
+
+  References for obtaining information and downloading these packages are included below.
+  Sites MAY choose to provide certain versions via modules framework, at their discretion.
 
   * BC Policy: HPCBIOS_06-04
   * Date of Policy: 2012-12-15
 
-Baseline shells are covered by policy [HPCBIOS_05-06]
+N.B. Baseline shells are covered by policy [HPCBIOS_05-06]
 
 Baseline Editors
 
@@ -39,14 +40,14 @@ Baseline Editors
 
 Baseline Scripting Tools
 
-+----------+------------------------------+----------+
-| Expect   | http://expect.nist.gov       | SHOULD   |
 +----------+------------------------------+----------+
 | **Perl** | http://www.perl.org          | MUST     |
 +----------+------------------------------+----------+
+| Expect   | http://expect.nist.gov       | SHOULD   |
++----------+------------------------------+----------+
 | **Java** | http://www.java.com          | SHOULD   |
 +----------+------------------------------+----------+
-| Ruby     | http://www.ruby-lang.org     | SHOULD   |
+| **Ruby** | http://www.ruby-lang.org     | SHOULD   |
 +----------+------------------------------+----------+
 | PHP      | http://www.php.org           | SHOULD   |
 +----------+------------------------------+----------+