- Improve error handling on export

- Validate FreeMind 0.9 or gretter during import
- Improve login message.

wise-webapp/src/main/webapp/jsp/login.jsp

@@ -13,10 +13,6 @@
 <div id="loginContent">
 
     <div id="news" class="sb">
-        
-        <c:if test="${isHsql== 'true'}">
-            <h2 style="border:0; color:red;"> You are using an HSQL database. You shouldn't use this environment for production!</h2>
-        </c:if>
         <h1>What is New: </h1>
         <ul>
             <li>Links Between Nodes</li>
@@ -102,3 +98,9 @@
         <spring:message code="JOIN_NOW"/>
     </a>
 </div>
+
+<c:if test="${isHsql== 'true'}">
+
+
+<div style="padding:10px;background-color: #E0EFFF; border-radius: 5px 5px 5px 5px;border-style:solid;border-color:gray"><img src="../images/info.png" style="margin:0px 4px">Note: Although HSQLDB is bundled with WiseMapping by default during the installation, we do not recommend this database for production use. Please consider using MySQL 5.5 instead. You can find more information how to configure MySQL <a href="http://www.wisemapping.org/documentation/configu">here</a>.</div>
+</c:if>