Added very basic testing, got attribute calculations working

app/.meteor/packages

@@ -54,3 +54,5 @@ dynamic-import@0.4.0
 ddp-rate-limiter@1.0.7
 rate-limit@1.0.9
 iron:router
+meteortesting:mocha
+mdg:validated-method

app/.meteor/versions

@@ -65,13 +65,19 @@ lai:collection-extensions@0.2.1_1
 launch-screen@1.1.1
 less@2.7.12
 livedata@1.0.18
+lmieulet:meteor-coverage@1.1.4
 localstorage@1.2.0
 logging@1.1.20
 matb33:collection-hooks@0.8.4
+mdg:validated-method@1.1.0
 mdg:validation-error@0.5.1
 meteor@1.9.2
 meteor-base@1.4.0
+meteorhacks:picker@1.0.3
 meteorhacks:subs-manager@1.6.4
+meteortesting:browser-tests@1.0.0
+meteortesting:mocha@1.0.1
+meteortesting:mocha-core@1.0.1
 minifier-css@1.3.1
 minifier-js@2.3.5
 minimongo@1.4.4