Add URLs and license files....

third_party/hunspell_dictionaries/COPYING

Index: third_party/hunspell_dictionaries/COPYING
===================================================================
--- third_party/hunspell_dictionaries/COPYING	(revision 0)
+++ third_party/hunspell_dictionaries/COPYING	(revision 0)
@@ -0,0 +1,12 @@
+GPL 2.0/LGPL 2.1/MPL 1.1 tri-license
+
+The contents of this software may be used under the terms of
+the GNU General Public License Version 2 or later (the "GPL"), or
+the GNU Lesser General Public License Version 2.1 or later (the "LGPL",
+see COPYING.LGPL) or (excepting the LGPLed GNU gettext library in the
+intl/ directory) the Mozilla Public License Version 1.1 or later
+(the "MPL", see COPYING.MPL).
+
+Software distributed under these licenses is distributed on an "AS IS" basis,
+WITHOUT WARRANTY OF ANY KIND, either express or implied. See the licences
+for the specific language governing rights and limitations under the licenses.
Property changes on: third_party/hunspell_dictionaries/COPYING
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Added: eol-style
   + LF