rename to match the return type

Author: vladak

opengrok-indexer/src/main/java/org/opengrok/indexer/configuration/Configuration.java

@@ -1177,7 +1177,7 @@ public void setCurrentIndexedCollapseThreshold(int currentIndexedCollapseThresho
         this.currentIndexedCollapseThreshold = currentIndexedCollapseThreshold;
     }
 
-    public boolean getDisplayRepositories() {
+    public boolean isDisplayRepositories() {
         return this.displayRepositories;
     }
 

opengrok-indexer/src/main/java/org/opengrok/indexer/configuration/RuntimeEnvironment.java

@@ -1328,8 +1328,8 @@ public void setHistoryEnabled(boolean historyEnabled) {
         syncWriteConfiguration(historyEnabled, Configuration::setHistoryEnabled);
     }
 
-    public boolean getDisplayRepositories() {
-        return syncReadConfiguration(Configuration::getDisplayRepositories);
+    public boolean isDisplayRepositories() {
+        return syncReadConfiguration(Configuration::isDisplayRepositories);
     }
 
     public void setDisplayRepositories(boolean displayRepositories) {

opengrok-web/src/main/webapp/index.jsp

@@ -55,7 +55,7 @@ include file="menu.jspf"
         </header>
         <div id="results">
             <%= PageConfig.get(request).getEnv().getIncludeFiles().getBodyIncludeFileContent(false) %>
-            <% if (PageConfig.get(request).getEnv().getDisplayRepositories()) { %><%@
+            <% if (PageConfig.get(request).getEnv().isDisplayRepositories()) { %><%@
 
 include file="repos.jspf"