infer from url when no team name is provided

Author: lloeki

src/browser/app-state.js

@@ -20,6 +20,9 @@ var onSetConnectionState = function(currentState, connectionState){
 };
 
 var onAddTeam = function(currentState, team){
+  if (!team.name) {
+    team.name = team.url.replace(/[^:]*:\/\/[^\/]*\/([^/]*)(\/.*|$)/, '$1')
+  }
   team.unreadCount = 0;
   team.mentionCount = 0;
   team.themeData = defaultThemeData;

src/browser/team-button.jsx

@@ -4,7 +4,7 @@ var React = require("react");
 var TeamButton = React.createClass({
   render: function(){
     var team = this.props.team;
-    var iconText = team.name.substr(0,1);
+    var iconText = team.name.substr(0,1).toUpperCase();
     var isSelected = (team.name === this.props.selectedTeam);
     var selectedClass = isSelected ? "selected" : "not-selected";
     var unreadCount = this.processCount(team.unreadCount);