fix k range, only integers

docs/deposit.html

@@ -7,7 +7,7 @@
 			<tr><td>NumProposals</td><td><input type=number id="numProposals" min=0 value=0 /></td></tr>
 			<tr><td>Alpha UP<td><input id="alphaUp" type=number value='0.01' min=0 max=1 step='0.01' /></td></tr>
 			<tr><td>Alpha DOWN<td><input id="alphaDown" type=number value='-0.005' min=-1 max=0 step='0.01' /></td></tr>
-			<tr><td>k</td><td><input type=number id="k" value='1' step='0.01' /></td></tr>
+			<tr><td>k</td><td><input type=number id="k" value='2' step='1' /></td></tr>
 			<tr>
 				<td><button onclick='reset()'>Reset</button></td>
 				<td><button id='pauseResume' onclick='pauseResume()'>Pause</button></td>