feat(user preferences) Add User Preferences & Theming to Standalone Viewer (closes #117). Update Standalone to Meteor 1.7

OHIFViewer/.meteor/packages

@@ -49,5 +49,5 @@ aldeed:simple-schema          # Third party package to deal with schemas
 aldeed:template-extension
 gilbertwat:bootstrap3-daterangepicker
 johdirr:meteor-git-rev
-u2622:persistent-session@0.4.4
+cultofcoders:persistent-session
 shell-server@0.3.0

OHIFViewer/.meteor/versions

@@ -20,6 +20,7 @@ caching-compiler@1.1.9
 caching-html-compiler@1.1.2
 callback-hook@1.0.10
 check@1.2.5
+cultofcoders:persistent-session@0.4.5
 dangrossman:bootstrap-daterangepicker@2.1.13
 ddp@1.4.0
 ddp-client@2.2.0
@@ -120,7 +121,6 @@ templating-runtime@1.3.2
 templating-tools@1.1.2
 tracker@1.1.3
 twbs:bootstrap@3.3.6
-u2622:persistent-session@0.4.4
 ui@1.0.13
 underscore@1.0.10
 url@1.1.0