Add support for base url configuration

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

@@ -23,7 +23,7 @@
 
     <script>
         window.serverconfig = {
-            apiBaseUrl: '',
+            apiBaseUrl: '${requestScope['site.baseurl']}',
             analyticsAccount: '${requestScope['google.analytics.account']}',
             clientType: 'rest',
             recaptcha2Enabled: ${requestScope['google.recaptcha2.enabled']},

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

@@ -15,7 +15,6 @@
     <script type="text/javascript">
           var mapId = '${mindmap.id}';
           var historyId = '${hid}';
-          var readOnly = true;
           var userOptions = ${mindmap.properties};
           var locale = '${locale}';
           var isAuth = ${principal != null};

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

@@ -14,7 +14,7 @@
 
     <script>
         window.serverconfig = {
-            apiBaseUrl: '',
+            apiBaseUrl: '${requestScope['site.baseurl']}',
             analyticsAccount: '${requestScope['google.analytics.account']}',
             clientType: 'rest',
             recaptcha2Enabled: ${requestScope['google.recaptcha2.enabled']},