Adapt version number to 0.6.7

RELEASE

@@ -1,13 +1,10 @@
-Scsh 0.6.6 Release notes					-*- outline -*-
+Scsh 0.6.7 Release notes					-*- outline -*-
 
-We are pleased to release scsh version 0.6.6. The main focus of this
-release is support for the upcoming packaging proposal and the removal
-of any code which did not conform to scsh's BSD-style license. In
-addition, some bugs have been fixed.
+We are pleased to release scsh version 0.6.7.
 
 The text below gives a general description of scsh, instructions for obtaining
 it, pointers to discussion forums, and a description of the new features in
-release 0.6.6.  (Emacs should display this document is in outline mode. Say
+release 0.6.7.  (Emacs should display this document is in outline mode. Say
 c-h m for instructions on how to move through it by sections (e.g., c-c c-n,
 c-c c-p).)
 
@@ -21,13 +18,7 @@ Obtaining and installing scsh
 Getting in touch
 The World-Wide What?
 New in this release
- Removed or replaced non-free code
- New code for sorting
- Separate documentation of the library directories search facility
- New module CONFIGURE
- Argument processing more robust
- Ultrix is no longer supported
- Bug fixes
+New in 0.6.6
 New in 0.6.5
 New in 0.6.4
 New in 0.6.3
@@ -177,6 +168,9 @@ We manage the project using SourceForge:
 * New in this release
 =====================
 
+* New in 0.6.6
+===============
+
 ** Removed or replaced non-free code
    Some files in the previous versions of scsh did not conform to
    scsh's BSD-style license. We therefore removed the directory