Added step progress to section titles

    <form v-on:submit.prevent v-on:keyup.enter="increment()">

      <div id="step-user" v-show="stepValue==0">

        <h2>User information</h2>

        <h2>User information (1/4)</h2>

        <label for="username">Your name:</label>

        <input type="text" id="username" name="username" v-model="username" required />

      </div>

      <div id="step-patient" v-show="stepValue==1">

        <h2>Patient information</h2>

        <h2>Patient information (2/4)</h2>

        <label for="patientID">Patient ID:</label>

        <input type="text" id="patientID" name="patientID" v-model="patientID" required />

      </div>

      <div id="step-sample" v-show="stepValue==2">

        <h2>Sample information</h2>

        <h2>Sample information (3/4)</h2>

        <label>Sample type:</label>

        <br />

      </div>

      <div id="step-scan" v-show="stepValue==3">

        <h2>Start scan</h2>

        <h2>Start scan (4/4)</h2>

        (Confirm information)

        (Confirm scan parameters, just a radio box for selecting defaults)

        <p>{{this.payload}}</p>(Start button)