Update RELEASE_NOTES

RELEASE_NOTES

@@ -14,16 +14,21 @@ Release 3.7
 
 Availability
 ------------
-This release is not yet available
+This release is immediately available from:
+http://www.nsnam.org/releases/ns-allinone-3.7.tar.bz2
 
 Supported platforms
 -------------------
 ns-3.7 has been tested on the following platforms:
-  - linux x86 gcc 4.4.1, 4.2, 4.1, and, 3.4.6.
-  - linux x86_64 gcc 4.4.0, 4.3.2, 4.2.3, 4.2.1, 4.1.3, 3.4.6
-  - MacOS X ppc and x86 (gcc 4.0.x and 4.2.x)
+  - linux x86 gcc 4.4.0, 4.3.2, 4.2, 4.1.1, 4.1 and 3.4.6 (debug and optimized)
+  - linux x86_64 gcc 4.4.0, 4.3.2, 4.2.4, 4.2.3, 4.2.1, 4.1.3, 3.4.6 (debug and optimized)
+  - MacOS X ppc gcc 4.0.x and 4.2.x (debug and optimized)
   - cygwin gcc 3.4.4 (debug only), gcc 4.3.2 (debug and optimized)
 
+Unofficially supported platform
+-------------------
+- mingw gcc 3.4.5 (debug only)
+
 Not all ns-3 options are available on all platforms; consult the
 wiki for more information:
 http://www.nsnam.org/wiki/index.php/Installation
@@ -71,6 +76,12 @@ New user-visible features
   k) WaypointMobilityModel provides a method to add mobility as a set of 
      (time, position) pairs
 
+  l) 802.11p WiFi standards 
+  
+  m) UDP Client/Server application
+
+  n) Support transactions in the SQLite output interface, making it usable for larger amounts of data
+
 API changes from ns-3.6
 -----------------------
 API changes for this release are documented in the file CHANGES.html.