* tweak date offset logic

ruby/lib/jam_ruby/models/active_music_session.rb

@@ -399,6 +399,9 @@ module JamRuby
           day = Date.parse(day)
           next_day = day + 1
           timezone_offset = timezone_offset.to_i
+          if timezone_offset > 0
+            timezone_offset = "+#{timezone_offset}"
+          end
           query = query.where("scheduled_start BETWEEN TIMESTAMP WITH TIME ZONE '#{day} 00:00:00#{timezone_offset}'
                     AND TIMESTAMP WITH TIME ZONE '#{next_day} 00:00:00#{timezone_offset}'")
         rescue Exception => e

ruby/lib/jam_ruby/models/music_session.rb

@@ -651,9 +651,7 @@ module JamRuby
           day = Date.parse(day)
           next_day = day + 1
           timezone_offset = timezone_offset.to_i
-          if timezone_offset == 0
-            timezone_offset = ''  # no offset to specify in this case
-          elsif timezone_offset > 0
+          if timezone_offset > 0
             timezone_offset = "+#{timezone_offset}"
           end
           query = query.where("scheduled_start BETWEEN TIMESTAMP WITH TIME ZONE '#{day} 00:00:00#{timezone_offset}'

web/app/assets/javascripts/session.js

@@ -119,12 +119,12 @@
 
         function afterShow(data) {
 
-            if(!context.JK.JamServer.connected) {
-              promptLeave = false;
-              app.notifyAlert("Not Connected", 'To create or join a session, you must be connected to the server.');
-              window.location = '/client#/home'
-              return;
-            }
+          if(!context.JK.JamServer.connected) {
+            promptLeave = false;
+            app.notifyAlert("Not Connected", 'To create or join a session, you must be connected to the server.');
+            window.location = '/client#/home'
+            return;
+          }
 
           gearUtils.guardAgainstInvalidConfiguration(app)
             .fail(function() {

web/spec/support/utilities.rb

@@ -344,7 +344,7 @@ def schedule_session(options = {})
     find('.btn-next', text: 'PUBLISH SESSION').trigger(:click)
 
     find('h2', text: 'create session')
-    
+
     sleep 1 # to get rid of this, we need to verify that the URL is /client#/home.. otherwise intermittent fails
   end
 end