<p dir="auto">If we press any button (Flat as well as Raised) via "Enter Key", events are fired twice</p>


<ul class="contains-task-list">
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox" checked=""> I have searched the <a href="https://github.com/mui-org/material-ui/issues">issues</a> of this repository and believe that this is not a duplicate.</li>
</ul>
<h2 dir="auto">Expected Behavior</h2>

<p dir="auto">Events should be fired only once just as on mouse click</p>
<h2 dir="auto">Current Behavior</h2>

<p dir="auto">Events are fired twice</p>
<h2 dir="auto">Steps to Reproduce (for bugs)</h2>

<ol dir="auto">
<li>Create any flat or raise button.</li>
<li>For onClick event add event handler for showing logs.</li>
<li>Click button.</li>
<li>All events are fired twice</li>
</ol>
<h2 dir="auto">Context</h2>
    
<h2 dir="auto">Your Environment</h2>

<table role="table">
<thead>
<tr>
<th>Tech</th>
<th>Version</th>
</tr>
</thead>
<tbody>
<tr>
<td>Material-UI</td>
<td></td>
</tr>
<tr>
<td>React</td>
<td></td>
</tr>
<tr>
<td>browser</td>
<td></td>
</tr>
<tr>
<td>etc</td>
<td></td>
</tr>
</tbody>
</table>
<ul class="contains-task-list">
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox" checked=""> I have searched the <a href="https://github.com/callemall/material-ui/issues">issues</a> of this repository and believe that this is not a duplicate.</li>
</ul>
<h2 dir="auto">Expected Behavior</h2>
<p dir="auto">Inline datepicker renders imidiatly near field.</p>
<h2 dir="auto">Current Behavior</h2>
<p dir="auto">Inline datepicker at start renders dialog at position [0,0] then re render it at field.</p>

<h2 dir="auto">Steps to Reproduce (for bugs)</h2>
<p dir="auto"><a href="https://we.tl/pEGKtz4EfO" rel="nofollow">https://we.tl/pEGKtz4EfO</a></p>

<h2 dir="auto">Context</h2>
    
<h2 dir="auto">Your Environment</h2>

<table role="table">
<thead>
<tr>
<th>Tech</th>
<th>Version</th>
</tr>
</thead>
<tbody>
<tr>
<td>Material-UI</td>
<td>0.19.4</td>
</tr>
</tbody>
</table>