update README's and INSTALL

Clp/README

@@ -1,19 +1,7 @@
-NOTE: The information in this file might not yet include the changes introduced with the switch to the autotools.
+This is the Clp project. For information on the purpose of
+this project please visit https://github.com/coin-or/Clp
 
-To build Clp see INSTALL file
-
-To use Clp you need the Clp and Coin libraries
-
-To make standalone executable do 'make Clp' in the Clp directory.
-This creates an executable clp in Clp/src. 
-
-To run unitTest do 'make unitTest' in the Clp directory. This will
-do some minimal testing.
-
-To run clp on all netlib problems do 'make unitTest NETLIBDIR=<dirname>'
-dirname should be the path to the directory containing all the
-netlib files. If you have compiled Clp without zlib support then the
-files must be uncompressed.
+The information below should be migrated into ../README.md or the User's Guide.
 
 Running clp gives you some hints.  It can do a unit test (clp -unitTest) and solve netlib 
 problems (-netlib or -netlibp using primal).  It can also solve problems and set tolerances etc.  Just do 

INSTALL

@@ -1,3 +1,5 @@
+The instructions here are somewhat outdated. See also README.md.
+
 These instructions are for UNIX-like systems (including Linux, Cygwin
 and MSys) only.  If Microsoft Developer Studio projects are
 maintained for this package, you can find instructions at

README

@@ -1,5 +1,4 @@
-
-To install this package, please look at the INSTALL file.
+To install this package, please look at the INSTALL and README.md files.
 
 This package contains several subdirectories corresponding to COIN-OR
 projects (www.coin-or.org). The AUTHORS, LICENSE and README files in