Enable dev builds for 5.6

Author: fredericDelaporte

build-common/NHibernate.props

@@ -2,10 +2,10 @@
   <Import Condition="Exists('NHibernate.dev.props')" Project="NHibernate.dev.props"/>
 
   <PropertyGroup>
-    <NhVersion     Condition="'$(NhVersion)' == ''"    >5.5</NhVersion>
+    <NhVersion     Condition="'$(NhVersion)' == ''"    >5.6</NhVersion>
     <VersionPatch  Condition="'$(VersionPatch)'  == ''">0</VersionPatch>
     <!-- Clear VersionSuffix for making release and set it to dev for making development builds -->
-    <VersionSuffix Condition="'$(VersionSuffix)' == ''"></VersionSuffix>
+    <VersionSuffix Condition="'$(VersionSuffix)' == ''">dev</VersionSuffix>
     <LangVersion Condition="'$(MSBuildProjectExtension)' != '.vbproj'">9.0</LangVersion>
 
     <VersionPrefix Condition="'$(VersionPrefix)' == ''">$(NhVersion).$(VersionPatch)</VersionPrefix>