close #222 - fixed symbol publishing (#232)

Author: Aaronontheweb

src/common.props

@@ -1,9 +1,18 @@
 <Project>
   <PropertyGroup>
-    <Copyright>Copyright © 2014-2019 Akka.NET Team</Copyright>
+    <Copyright>Copyright © 2014-2020 Akka.NET Team</Copyright>
     <Authors>Akka.NET Team</Authors>
-    <VersionPrefix>1.3.4</VersionPrefix>
-    <PackageReleaseNotes>Placeholder for nightlies**</PackageReleaseNotes>
+    <VersionPrefix>2.0.0</VersionPrefix>
+    <PackageReleaseNotes>[Add JSON serialization by implementing `ISerializable`.](https://github.com/akkadotnet/HOCON/pull/214)
+[Resolve `Config` containing a single empty object as an empty `Config`.](https://github.com/akkadotnet/HOCON/pull/214)
+[Refactor `Hocon.Parser` class to `Hocon.HoconParser` for clarity.](https://github.com/akkadotnet/HOCON/pull/215)
+[Add `IEquitable&lt;Config&gt;` interface implementation to `Config` class.](https://github.com/akkadotnet/HOCON/pull/218)
+[Change `GetString()`, `GetStringList()`, `GetInt()`, and `GetDouble()` throws on failure instead of returning a default value to conform to Hocon spec.](https://github.com/akkadotnet/HOCON/pull/218)
+[Add `TryGet[DataType]()` functions to all getters to eliminate as much Exception throwing as possible to improve performance.](https://github.com/akkadotnet/HOCON/pull/218)
+[Remove as much wrapping functions as possible to improve performance.](https://github.com/akkadotnet/HOCON/pull/218)
+[Move `ConfigurationException` from `Akka.Configuration` to `Hocon`](https://github.com/akkadotnet/HOCON/pull/218)
+[Fix `Config.WithFallback()` with hocon files containing substitution failed to merge the fallbacks correctly..](https://github.com/akkadotnet/HOCON/pull/218)
+[Hocon is now compatible with Hyperion serializer.](https://github.com/akkadotnet/HOCON/pull/218)</PackageReleaseNotes>
     <PackageIconUrl>http://getakka.net/images/akkalogo.png</PackageIconUrl>
     <PackageProjectUrl>https://github.com/akkadotnet/HOCON</PackageProjectUrl>
     <PackageLicenseUrl>https://github.com/akkadotnet/HOCON/blob/master/LICENSE</PackageLicenseUrl>
@@ -26,6 +35,7 @@
     <EmbedUntrackedSources>true</EmbedUntrackedSources>
     <!-- Optional: Build symbol package (.snupkg) to distribute the PDB containing Source Link -->
     <IncludeSymbols>true</IncludeSymbols>
+    <SymbolPackageFormat>snupkg</SymbolPackageFormat>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" />