add HISTORY file

cde/HISTORY

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+This is the release history file for CDE.  It will detail each
+release version and date, along with the highlights of the release.
+For more detailed information on changes between any given release,
+use 'git log', or peruse the commit history at:
+
+https://sourceforge.net/p/cdesktopenv/code/commit_browser
+
+
+# 2.2.0b (alpha) 9/6/2012
+
+- This release incoporates approximately 200 patches from various
+  people around the planet.
+
+- initial BSD (OpenBSD, FreeBSD) support.
+
+- wider support for various Linux distributions - Redhat, Arch,
+  Ubuntu/Kubuntu/Xubuntu.  See a full list of currently operational
+  platforms and their statuses at:
+
+  https://sourceforge.net/p/cdesktopenv/wiki/SupportedPlatforms/
+
+- many fixes to better support 64b systems.  There is still much work
+  needed in this regard.
+
+- most modules are operational.  dtinfo is not operational on any
+  platform yet.  dtksh is not yet operational on linux systems.
+
+- several thousand compiler warnings have been addressed.
+  Unfortunately, there are still several thousand more waiting :(
+  Some of this code is *old*.
+
+
+# 2.2.0a (alpha) 8/6/2012
+
+- This is the initial release of CDE form The Open Group based on
+  2.1.30.   
+
+  Minimal changes to get it compiling on some common linux distros,
+  primarily 32bit.