Set NH version as 5.0.0.Alpha1.

Author: oskarb

build-common/common.xml

@@ -52,11 +52,11 @@
 		effectively SP0).
 	-->
 
-	<property name="project.version" value="4.1.0.CR1" overwrite="false" />
+	<property name="project.version" value="5.0.0.Alpha1" overwrite="false" />
 
 	<!-- This version number should be changed if, but only if, there are incompatible
 	     changes compared to the previous version. -->
-	<property name="project.default-assembly-version" value="4.1.0.3001" overwrite="false" />
+	<property name="project.default-assembly-version" value="5.0.0.1001" overwrite="false" />
 
 	<!-- Compute short project version (major.minor) using a regex -->
 	<regex input="${project.version}" pattern="^(?'shortversion'\d+\.\d+)" />