Add ServerConfiguration schema to validate Meteor settings, removed defaultSettings, ran JSCS for DIMSEService package

OHIFViewer/.meteor/versions

@@ -1,3 +1,4 @@
+aldeed:simple-schema@1.5.3
 allow-deny@1.0.5
 arsnebula:reactive-promise@0.9.1
 autoupdate@1.3.11
@@ -49,6 +50,7 @@ jquery@1.11.9
 launch-screen@1.0.12
 livedata@1.0.18
 logging@1.1.14
+mdg:validation-error@0.2.0
 meteor@1.2.16
 meteor-base@1.0.4
 meteor-platform@1.2.6