Added licenses / notice to repo / nuget

BTProgressHUD.nuspec

@@ -13,5 +13,7 @@
     </metadata>
     <files>
         <file src="BTProgressHUD\bin\unified\Release\BTProgressHUD.dll" target="lib\Xamarin.iOS10\BTProgressHUD.dll" />
+
+        <file src="NOTICE" target="THIRD-PARTY-NOTICES.txt" />
     </files>
 </package>

LICENSE

@@ -0,0 +1,13 @@
+Copyright 2013-Present Nic Wise / Big Ted Ltd
+
+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.

NOTICE

@@ -0,0 +1,30 @@
+
+SVProgressHUD:
+https://github.com/SVProgressHUD/SVProgressHUD
+
+Copyright (c) 2011 Sam Vermette
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+A different license may apply to other ressources included in this package, 
+including Joseph Wain's Glyphish Icons. Please consult their 
+respective headers for the terms of their individual licenses.