Removed usage of window.location.origin throughout the codebase

web/react/components/sidebar_header.jsx

@@ -68,10 +68,10 @@ var NavbarDropdown = React.createClass({
             for (var i = 0; i < this.state.teams.length; i++) {
                 var teamName = this.state.teams[i];
 
-                teams.push(<li key={ teamName }><a href={window.location.origin + "/" + teamName }>Switch to { teamName }</a></li>);
+                teams.push(<li key={ teamName }><a href={utils.getWindowLocationOrigin() + "/" + teamName }>Switch to { teamName }</a></li>);
             }
         }
-        teams.push(<li><a href={window.location.origin + "/signup_team" }>Create a New Team</a></li>);
+        teams.push(<li><a href={utils.getWindowLocationOrigin() + "/signup_team" }>Create a New Team</a></li>);
 
         return (
             <ul className="nav navbar-nav navbar-right">

web/react/components/signup_team_complete.jsx

@@ -248,7 +248,7 @@ TeamURLPage = React.createClass({
                <div className="row">
                     <div className="col-sm-11">
                         <div className="input-group">
-                            <span className="input-group-addon">{ window.location.origin + "/" }</span>
+                            <span className="input-group-addon">{ utils.getWindowLocationOrigin() + "/" }</span>
                             <input type="text" ref="name" className="form-control" placeholder="" maxLength="128" defaultValue={this.props.state.team.name} autoFocus={true} onFocus={this.handleFocus}/>
                         </div>
                     </div>
@@ -566,7 +566,7 @@ PasswordPage = React.createClass({
                     props.state.wizard = "finished";
                     props.updateParent(props.state, true);
 
-                    window.location.href = window.location.origin + '/' + props.state.team.name + '/login?email=' + encodeURIComponent(teamSignup.team.email);
+                    window.location.href = utils.getWindowLocationOrigin() + '/' + props.state.team.name + '/login?email=' + encodeURIComponent(teamSignup.team.email);
 
                     // client.loginByEmail(teamSignup.team.domain, teamSignup.team.email, teamSignup.user.password,
                     //     function(data) {