Added common.rb for sharing rake tasks between projects

common.rb

@@ -0,0 +1,11 @@
+ desc "Update buildsupport submodule"
+ task :update_buildsupport do
+  #Go update the buildsupport submodule so it's always current.
+  Dir.chdir("buildsupport") do
+    puts "*** Updating buildsupport..."
+    sh 'git fetch'
+    sh 'git checkout master'
+    sh 'git rebase origin/master'
+    puts "*** Buildsupport updated."
+	end
+ end