Fix cover art overflow issues

Cover art images whose height is larger than their width overflow their
containing div and are superposed with the name of the album, and
sometimes other albums below.

libresonic-main/src/main/webapp/WEB-INF/jsp/albumMain.jsp

@@ -481,6 +481,7 @@
                     <c:param name="coverArtSize" value="${model.coverArtSizeMedium}"/>
                     <c:param name="showLink" value="true"/>
                     <c:param name="appearAfter" value="${loopStatus.count * 30}"/>
+                    <c:param name="hideOverflow" value="true"/>
                 </c:import>
             </div>
         </c:forEach>

libresonic-main/src/main/webapp/WEB-INF/jsp/artistMain.jsp

@@ -273,6 +273,7 @@
                             <c:param name="coverArtSize" value="${model.coverArtSizeMedium}"/>
                             <c:param name="showLink" value="true"/>
                             <c:param name="appearAfter" value="${loopStatus.count * 30}"/>
+                            <c:param name="hideOverflow" value="true"/>
                         </c:import>
                     </div>
                 </c:if>

libresonic-main/src/main/webapp/WEB-INF/jsp/coverArt.jsp

@@ -15,6 +15,7 @@ PARAMETERS
   showZoom: Whether to display a link for zooming the cover art.
   showChange: Whether to display a link for changing the cover art.
   appearAfter: Fade in after this many milliseconds, or nil if no fading in should happen.
+  hideOverflow: Hide cover art overflow when height is greater than width
 --%>
 <c:choose>
     <c:when test="${empty param.coverArtSize}">
@@ -32,7 +33,7 @@ PARAMETERS
 <str:randomString count="5" type="alphabet" var="playId"/>
 
 <div class="coverart dropshadow">
-    <div style="width:${size};max-width:${size};height:${size};max-height:${size};cursor:pointer" title="${param.caption1}" id="${divId}">
+    <div style="width:${size};max-width:${size};height:${size};max-height:${size};cursor:pointer;<c:if test="${param.hideOverflow}">overflow:hidden</c:if>;" title="${param.caption1}" id="${divId}">
 
         <c:if test="${not empty param.albumId}">
             <c:url value="main.view" var="targetUrl">

libresonic-main/src/main/webapp/WEB-INF/jsp/home.jsp

@@ -111,6 +111,7 @@
             <c:param name="coverArtSize" value="${model.coverArtSize}"/>
             <c:param name="showLink" value="true"/>
             <c:param name="appearAfter" value="${loopStatus.count * 30}"/>
+            <c:param name="hideOverflow" value="true"/>
         </c:import>
 
         <c:if test="${not empty album.rating}">

libresonic-main/src/main/webapp/WEB-INF/jsp/starred.jsp

@@ -73,6 +73,7 @@
                 <c:param name="coverArtSize" value="${model.coverArtSize}"/>
                 <c:param name="showLink" value="true"/>
                 <c:param name="appearAfter" value="${loopStatus.count * 30}"/>
+                <c:param name="hideOverflow" value="true"/>
             </c:import>
         </div>
     </c:forEach>