Add haha to third-party

third_party/haha/LICENSE

+perflib, guava:
 
                                  Apache License
                            Version 2.0, January 2004
                         http://www.apache.org/licenses/
 
    TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
 
    1. Definitions.
 
       "License" shall mean the terms and conditions for use, reproduction,
@@ skipping 183 matching lines @@
    You may obtain a copy of the License at
 
        http://www.apache.org/licenses/LICENSE-2.0
 
    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
 
+================================================================================
+trove4j:
+
+This library is free software; you can redistribute it and/or modify it under
+the terms of the GNU Lesser General Public License as published by the Free
+Software Foundation; either version 2.1 of the License, or (at your option) any
+later version. This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+for more details. You should have received a copy of the GNU Lesser General
+Public License along with this library; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+
+Two classes (HashFunctions and PrimeFinder) included in Trove are licensed
+under the following terms:
+
+Copyright (c) 1999 CERN - European Organization for Nuclear Research.
+Permission to use, copy, modify, distribute and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that the
+above copyright notice appear in all copies and that both that copyright notice
+and this permission notice appear in supporting documentation. CERN makes no
+representations about the suitability of this software for any purpose. It is
+provided "as is" without expressed or implied warranty.
+