Started adding timezone support

views/lists/subscription/import-preview.hbs

@@ -24,6 +24,7 @@
                     <option value="email">Email address</option>
                     <option value="first_name">First Name</option>
                     <option value="last_name">Last Name</option>
+                    <option value="tz">Timezone</option>
                     {{#each ../customFields}}
                         {{#if column}}
                             <option value="{{column}}">{{name}}</option>

views/subscription/layout.hbs

@@ -48,6 +48,7 @@
     <script src="/datepicker/js/bootstrap-datepicker.min.js"></script>
     <script src="/datatables/datatables.min.js"></script>
     <script src="/moment/moment.min.js"></script>
+    <script src="/jstimezonedetect/jstz.min.js"></script>
     <script src="/javascript/tables.js"></script>
 
     {{#if useEditor}}

views/subscription/manage.hbs

@@ -11,6 +11,7 @@
 
     <input type="hidden" name="_csrf" value="{{csrfToken}}">
     <input type="hidden" name="cid" value="{{cid}}">
+    <input type="hidden" class="tz-detect" name="tz" id="tz" value="{{tz}}">
 
     <div class="form-group">
         <label for="email">Email address</label>

views/subscription/subscribe.hbs

@@ -8,6 +8,7 @@
 <form method="post" action="/subscription/{{cid}}/subscribe">
 
     <input type="hidden" name="_csrf" value="{{csrfToken}}">
+    <input type="hidden" class="tz-detect" name="tz" id="tz" value="{{tz}}">
 
     <div class="form-group">
         <label for="email">Email address</label>