Modified the JSONKit so that it is dual licensed under either the BSD…

… or Apache v2.0 license. This was motivated by the discussion at facebookarchive/three20#465

JSONKit.h

@@ -1,7 +1,9 @@
 //
 //  JSONKit.h
 //  http://github.com/johnezang/JSONKit
-//  Licensed under the terms of the BSD License, as specified below.
+//  http://github.com/johnezang/JSONKit
+//  Dual licensed under either the terms of the BSD License, or alternatively
+//  under the terms of the Apache License, Version 2.0, as specified below.
 //
 
 /*
@@ -36,6 +38,22 @@
  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
+/*
+ Copyright 2011 John Engelhart
+ 
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ 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.
+*/
+
 #include <stddef.h>
 #include <stdint.h>
 #include <limits.h>

JSONKit.m

@@ -1,7 +1,8 @@
 //
 //  JSONKit.m
 //  http://github.com/johnezang/JSONKit
-//  Licensed under the terms of the BSD License, as specified below.
+//  Dual licensed under either the terms of the BSD License, or alternatively
+//  under the terms of the Apache License, Version 2.0, as specified below.
 //
 
 /*
@@ -36,6 +37,22 @@
  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
+/*
+ Copyright 2011 John Engelhart
+ 
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ 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.
+*/
+
 
 /*
   Acknowledgments: