Update VersionPrefix to 5.3.0

Author: bahusoid

build-common/NHibernate.props

@@ -2,7 +2,7 @@
   <Import Condition="Exists('NHibernate.dev.props')" Project="NHibernate.dev.props"/>
 
   <PropertyGroup>
-    <VersionPrefix Condition="'$(VersionPrefix)' == ''">5.3</VersionPrefix>
+    <VersionPrefix Condition="'$(VersionPrefix)' == ''">5.3.0</VersionPrefix>
     <VersionSuffix Condition="'$(VersionSuffix)' == ''">dev</VersionSuffix>
     <VersionSuffix Condition="'$(VersionSuffix)' != '' AND '$(BuildNumber)' != ''">$(VersionSuffix).$(BuildNumber)</VersionSuffix>