Changed new subscription dialog to use tom-select from select2

fixed z-index, text-alignment in the dropdown menu to left in new subscription modal, replaced click_link with page.find().click in subscription specs, removed href in subscription index

app/assets/javascripts/admin/subscriptions/directives/new_subscription_dialog.js.coffee

@@ -1,29 +0,0 @@
-angular.module("admin.subscriptions").directive 'newSubscriptionDialog', ($rootScope, $compile, $window, $templateCache, DialogDefaults, shops) ->
-  restrict: 'A'
-  scope: true
-  link: (scope, element, attr) ->
-    scope.submitted = false
-    scope.shops = shops
-    scope.shop_id = null
-
-    scope.newSubscription = ->
-      scope.new_subscription_form.$setPristine()
-      scope.submitted = true
-      if scope.shop_id?
-        $window.location.href = "/admin/subscriptions/new?subscription[shop_id]=#{scope.shop_id}"
-      return
-
-    # Compile modal template
-    template = $compile($templateCache.get('admin/new_subscription_dialog.html'))(scope)
-
-    # Set Dialog options
-    template.dialog(DialogDefaults)
-
-    # Link opening of dialog to click event on element
-    element.bind 'click', (e) ->
-      if shops.length == 1
-        scope.shop_id = shops[0].id
-        scope.newSubscription()
-      else
-        template.dialog('open')
-        $rootScope.$evalAsync()