start adding tooltips to config options

webui/src/main/css/muwire.css

@@ -614,4 +614,17 @@ textarea.copypaste {
 
 .tooltip:hover .tooltiptext {
   visibility: visible;
+}
+
+.configuration-section table tr td {
+	overflow: auto;
+}
+
+.configuration-section .tooltip {
+	border-bottom: none;
+}
+
+.configuration-section .tooltip .tooltiptext {
+	white-space: pre-wrap;
+	padding : 5x 0 5x 5x;
 }

webui/src/main/webapp/ConfigurationPage.jsp

@@ -42,7 +42,11 @@ Exception error = (Exception) application.getAttribute("MWConfigError");
 				<h3><%=Util._t("Search")%></h3>
 				<table>
 					<tr>
-						<td><%=Util._t("Search in comments")%></td>
+						<td>
+							<div class="tooltip"><%=Util._t("Search in comments")%>
+								<span class="tooltiptext"><%=Util._t("When searching the network, should MuWire search only file names or in the comments too?")%></span>
+							</div>
+						</td>
 						<td><p align="right"><input type="checkbox" <% if (core.getMuOptions().getSearchComments()) out.write("checked"); %> name="searchComments" value="true"></p></td>
 					</tr>
 					<tr>