(GH-107) Added VERIFICATION and LICENSE file

- In order for it to pass moderation on Chocolatey.org

Author: gep13

nuspec/chocolatey/GitReleaseManager.Portable.nuspec

@@ -24,5 +24,7 @@
     <file src="..\..\BuildArtifacts\temp\_PublishedApplications\GitReleaseManager.Cli\YamlDotNet.dll" target="tools" />
     <file src="chocolateyInstall.ps1" target="tools"/>
     <file src="chocolateyUninstall.ps1" target="tools"/>
+    <file src="VERIFICATION.TXT" />
+    <file src="LICENSE.TXT" />
   </files>
-</package>
+</package>

nuspec/chocolatey/LICENSE.TXT

@@ -0,0 +1,20 @@
+The MIT License (MIT)
+
+Copyright (c) 2015 - Present - GitTools Contributors
+
+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.

nuspec/chocolatey/VERIFICATION.TXT

@@ -0,0 +1,14 @@
+VERIFICATION
+Verification is intended to assist the Chocolatey moderators and community in verifying that this package's contents are trustworthy.
+
+This package is owned and updated by the members of the GitTools Organisation on GitHub:
+
+https://github.com/GitTools
+
+The files contained within this Chocolatey Package are the same as those that are hosted on our releases page:
+
+https://github.com/GitTools/GitReleaseManager/releases
+
+If you have any concerns about the contents of this package, please raise am issue here:
+
+https://github.com/GitTools/GitReleaseManager/releases