Update nuget package with Icon and License

sqlite-net-pcl.nuspec

@@ -4,7 +4,9 @@
     <version>1.2.0</version>
     <authors>Frank A. Krueger</authors>
     <owners>Frank A. Krueger</owners>
+    <licenseUrl>https://raw.githubusercontent.com/praeclarum/sqlite-net/master/LICENSE.md</licenseUrl>
     <projectUrl>https://github.com/praeclarum/sqlite-net</projectUrl>
+    <iconUrl>https://raw.githubusercontent.com/praeclarum/sqlite-net/master/nuget/Logo-low.png</iconUrl>
     <id>sqlite-net-pcl</id>
     <title>SQLite-net PCL</title>
     <summary>The official portable class library version of sqlite-net: the easy way to access sqlite.</summary>

sqlite-net.nuspec

@@ -4,7 +4,9 @@
     <version>1.2.0</version>
     <authors>Frank Krueger</authors>
     <owners>Frank Krueger,Tim Heuer</owners>
+    <licenseUrl>https://raw.githubusercontent.com/praeclarum/sqlite-net/master/LICENSE.md</licenseUrl>
     <projectUrl>https://github.com/praeclarum/sqlite-net</projectUrl>
+    <iconUrl>https://raw.githubusercontent.com/praeclarum/sqlite-net/master/nuget/Logo-low.png</iconUrl>
     <id>sqlite-net</id>
     <title>sqlite-net</title>
 	<licenseUrl>https://github.com/praeclarum/sqlite-net/blob/master/license.md</licenseUrl>