Update version number and release notes

Author: peetw

NHibernate.Spatial.props

@@ -1,11 +1,12 @@
 <Project>
   <PropertyGroup>
     <!-- Specify version info -->
+    <!-- https://andrewlock.net/version-vs-versionsuffix-vs-packageversion-what-do-they-all-mean/ -->
     <VersionMajor Condition="'$(VersionMajor)' == ''">5</VersionMajor>
     <VersionMinor Condition="'$(VersionMinor)' == ''">2</VersionMinor>
-    <VersionPatch Condition="'$(VersionPatch)' == ''">0</VersionPatch>
+    <VersionPatch Condition="'$(VersionPatch)' == ''">1</VersionPatch>
     <!-- NOTE: Set to "preXYZ" for pre-releases and leave blank for full releases -->
-    <VersionSuffix Condition="'$(VersionSuffix)' == ''"></VersionSuffix>
+    <VersionSuffix Condition="'$(VersionSuffix)' == ''">pre001</VersionSuffix>
 
     <!-- NOTE: Generally shouldn't need to edit anything below this line -->
     <VersionPrefix>$(VersionMajor).$(VersionMinor).$(VersionPatch)</VersionPrefix>

releasenotes.txt

@@ -13,6 +13,10 @@ https://nhibernate.jira.com/projects/NHSP
 ...and support questions to NH Users mailing list:
 http://groups.google.com/group/nhusers
 
+Build 5.2.1
+========================
+Update MsSql dialect to target .NET Standard 2.0
+
 Build 5.2.0
 ========================
 Update NHibernate dependency version to 5.2.4 following #104