V0.9.8 release notes (#93)

* added release notes for Hyperion v0.9.8

* fixed markdown syntax

RELEASE_NOTES.md

@@ -1,3 +1,9 @@
+### 0.9.8 January 31 2018 ####
+**Maintenance release for Hyperion v0.9.***
+This small patch conists of the following bug fixes to Hyperion v0.9.* branch:
+
+* [Support for FSharpSet<T>](https://github.com/akkadotnet/Hyperion/pull/92)
+
 ### 0.9.7 January 18 2018 ####
 **Maintenance release for Hyperion v0.9.***
 

src/common.props

@@ -2,13 +2,10 @@
   <PropertyGroup>
     <Copyright>Copyright © 2016-2017 Akka.NET Team</Copyright>
     <Authors>Akka.NET Team</Authors>
-    <VersionPrefix>0.9.7</VersionPrefix>
-    <PackageReleaseNotes>Maintenance release for Hyperion v0.9.0**
-This patch mostly contains bugfixes and enhancements to the existing Hyperion v0.9.* branch. No major API changes have been made.
-[EnumerableSerializeFactory fixes](https://github.com/akkadotnet/Hyperion/pull/81)
-[Fix: ObjectDisposedException cannot be deserialized](https://github.com/akkadotnet/Hyperion/issues/64)
-[Added support for DateTimeOffset as a primitive](https://github.com/akkadotnet/Hyperion/pull/79)
-You can [see the full set of changes for Hyperion v0.9.7 here](https://github.com/akkadotnet/Hyperion/milestone/5).</PackageReleaseNotes>
+    <VersionPrefix>0.9.8</VersionPrefix>
+    <PackageReleaseNotes>Maintenance release for Hyperion v0.9.***
+This small patch conists of the following bug fixes to Hyperion v0.9.*:
+[Support for FSharpSet&lt;T&gt;](https://github.com/akkadotnet/Hyperion/pull/92)</PackageReleaseNotes>
     <PackageIconUrl>http://getakka.net/images/akkalogo.png</PackageIconUrl>
     <PackageProjectUrl>https://github.com/akkadotnet/Hyperion</PackageProjectUrl>
     <PackageLicenseUrl>https://github.com/akkadotnet/Hyperion/blob/master/LICENSE</PackageLicenseUrl>