Restore BL's authorship attribution, and add "The Jsoncpp Authors" where it was missing.

Requested/noticed in https://github.com/open-source-parsers/jsoncpp/pull/610, and a
followup to https://github.com/open-source-parsers/jsoncpp/pull/607 .
diff --git a/include/json/allocator.h b/include/json/allocator.h
index 2492758..9c7e573 100644
--- a/include/json/allocator.h
+++ b/include/json/allocator.h
@@ -1,4 +1,4 @@
-// Copyright 2007-2010 Baptiste Lepilleur
+// Copyright 2007-2010 Baptiste Lepilleur and The JsonCpp Authors
 // Distributed under MIT license, or public domain if desired and
 // recognized in your jurisdiction.
 // See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
diff --git a/include/json/assertions.h b/include/json/assertions.h
index 9c5f8bc..1cca28d 100644
--- a/include/json/assertions.h
+++ b/include/json/assertions.h
@@ -1,4 +1,4 @@
-// Copyright 2007-2010 Baptiste Lepilleur
+// Copyright 2007-2010 Baptiste Lepilleur and The JsonCpp Authors
 // Distributed under MIT license, or public domain if desired and
 // recognized in your jurisdiction.
 // See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
diff --git a/include/json/autolink.h b/include/json/autolink.h
index 6fcc8af..b2c0f00 100644
--- a/include/json/autolink.h
+++ b/include/json/autolink.h
@@ -1,4 +1,4 @@
-// Copyright 2007-2010 Baptiste Lepilleur
+// Copyright 2007-2010 Baptiste Lepilleur and The JsonCpp Authors
 // Distributed under MIT license, or public domain if desired and
 // recognized in your jurisdiction.
 // See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
diff --git a/include/json/config.h b/include/json/config.h
index 6e3f3ac..b2bfb29 100644
--- a/include/json/config.h
+++ b/include/json/config.h
@@ -1,4 +1,4 @@
-// Copyright 2007-2010 Baptiste Lepilleur
+// Copyright 2007-2010 Baptiste Lepilleur and The JsonCpp Authors
 // Distributed under MIT license, or public domain if desired and
 // recognized in your jurisdiction.
 // See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
diff --git a/include/json/features.h b/include/json/features.h
index de45248..72eb6a8 100644
--- a/include/json/features.h
+++ b/include/json/features.h
@@ -1,4 +1,4 @@
-// Copyright 2007-2010 Baptiste Lepilleur
+// Copyright 2007-2010 Baptiste Lepilleur and The JsonCpp Authors
 // Distributed under MIT license, or public domain if desired and
 // recognized in your jurisdiction.
 // See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
diff --git a/include/json/forwards.h b/include/json/forwards.h
index ccfe09a..70bbe19 100644
--- a/include/json/forwards.h
+++ b/include/json/forwards.h
@@ -1,4 +1,4 @@
-// Copyright 2007-2010 Baptiste Lepilleur
+// Copyright 2007-2010 Baptiste Lepilleur and The JsonCpp Authors
 // Distributed under MIT license, or public domain if desired and
 // recognized in your jurisdiction.
 // See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
diff --git a/include/json/json.h b/include/json/json.h
index 8f10ac2..3d2798a 100644
--- a/include/json/json.h
+++ b/include/json/json.h
@@ -1,4 +1,4 @@
-// Copyright 2007-2010 Baptiste Lepilleur
+// Copyright 2007-2010 Baptiste Lepilleur and The JsonCpp Authors
 // Distributed under MIT license, or public domain if desired and
 // recognized in your jurisdiction.
 // See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
diff --git a/include/json/reader.h b/include/json/reader.h
index 6ab5bdb..5ee962a 100644
--- a/include/json/reader.h
+++ b/include/json/reader.h
@@ -1,4 +1,4 @@
-// Copyright 2007-2010 Baptiste Lepilleur
+// Copyright 2007-2010 Baptiste Lepilleur and The JsonCpp Authors
 // Distributed under MIT license, or public domain if desired and
 // recognized in your jurisdiction.
 // See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
diff --git a/include/json/value.h b/include/json/value.h
index ba7365c..f057089 100644
--- a/include/json/value.h
+++ b/include/json/value.h
@@ -1,4 +1,4 @@
-// Copyright 2007-2010 Baptiste Lepilleur
+// Copyright 2007-2010 Baptiste Lepilleur and The JsonCpp Authors
 // Distributed under MIT license, or public domain if desired and
 // recognized in your jurisdiction.
 // See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
diff --git a/include/json/writer.h b/include/json/writer.h
index d0944ee..8a1279b 100644
--- a/include/json/writer.h
+++ b/include/json/writer.h
@@ -1,4 +1,4 @@
-// Copyright 2007-2010 Baptiste Lepilleur
+// Copyright 2007-2010 Baptiste Lepilleur and The JsonCpp Authors
 // Distributed under MIT license, or public domain if desired and
 // recognized in your jurisdiction.
 // See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE