clarified license

LICENSE

@@ -1,4 +1,5 @@
-Copyright © Microsoft Corp.
+Copyright © Microsoft Corp 2012-2014, Yahoo! Inc. 2007-2012, and many
+individual contributors.
 
 All rights reserved.
 
@@ -43,69 +44,3 @@ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 
 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-
-Based on or incorporating material from the following project(s):
-
-Vowpal Wabbit project, available at http://hunch.net/~vw/,
-
-Copyright © 2012, Yahoo! Inc.
-
-Copyright © 2012, John Langford
-
-All rights reserved.
-
-
-
-Modified BSD License.
-
-Redistribution and use of this software in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
-
-
-
-* Redistributions of source code must retain the above
-
-  copyright notice, this list of conditions and the
-
-  following disclaimer.
-
-
-
-* Redistributions in binary form must reproduce the above
-
-  copyright notice, this list of conditions and the
-
-  following disclaimer in the documentation and/or other
-
-  materials provided with the distribution.
-
-
-
-* Neither the name of Yahoo! Inc. nor the names of its
-
-  contributors may be used to endorse or promote products
-
-  derived from this software without specific prior
-
-  written permission of Yahoo! Inc.
-
-
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
-
-OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
-
-EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
-
-INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
-
-TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
-
-BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-
-CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
-
-WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.