Changed version number generation for Debian packages.

Instead of appending build number to version string only for development suite packages, the buildnumber will now not be appended only to production level packages and will be present in any other cases. (Redmine issue: #3387)

Gruntfile.js

@@ -11,11 +11,11 @@ module.exports = function(grunt) {
     }
 
     function version() {
-        if (distribution == 'development') {
-            return '<%= pkg.version %>.' + buildnumber;
+        if (distribution == 'production') {
+            return '<%= pkg.version %>'
         }
         else {
-            return '<%= pkg.version %>'
+            return '<%= pkg.version %>.' + buildnumber;
         }
     }