Fix #158 Add a Main Menu Item to /admin for Admin Group Users
Fix #157 Separate create and upload buttons and add hover tooltip to upload button in folder view
Fix #150 Remove links to Concept and Class create forms from main article (access via home folder link)
Fix #159 Lower case ORIGIN when reading from conf file
Fix #156 Search JAVA_HOME for JDK_HOME
Fix #151 Check if file exists and prompt to replace it in file upload