allow upload of sbgn files

web/src/main/webapp/admin/projects.xhtml

@@ -105,7 +105,7 @@
 	<p:dialog header="Add project" widgetVar="addProjectDialog" resizable="false" id="addProjectDlg" showEffect="fade" modal="true" height="500px"> 
 		<h:panelGrid id="addPanelGrid" columns="3" cellpadding="1">	
 			<h:outputText value="File: " />
-			<p:fileUpload fileUploadListener="#{projectMB.handleFileUpload}" mode="advanced" auto="true" allowTypes="/(\.|\/)(xml|zip)$/" onstart="document.getElementById('addProjectForm:addProjectDlg').style.maxWidth=document.getElementById('addProjectForm:addProjectDlg').style.width;document.getElementById('addProjectForm:addProjectDlg').style.height= document.getElementById('addProjectForm:addProjectDlg').style.clientWidth;" 
+			<p:fileUpload fileUploadListener="#{projectMB.handleFileUpload}" mode="advanced" auto="true" allowTypes="/(\.|\/)(sbgn|xml|zip)$/" onstart="document.getElementById('addProjectForm:addProjectDlg').style.maxWidth=document.getElementById('addProjectForm:addProjectDlg').style.width;document.getElementById('addProjectForm:addProjectDlg').style.height= document.getElementById('addProjectForm:addProjectDlg').style.clientWidth;" 
 					update=" submodels,layouts,dataMining,images,projectId, projectName, addPanelGrid"/>
 			<cc:helpButton helpText='File with the map. For a quick start, CellDesigner files are accepted directly. Available options and
 configurations of the source file are discussed in &lt;a href="#{request.contextPath}/javax.faces.resource/admin_guide.pdf.xhtml?ln=other" target="_admin_manual_" &gt;manual&lt;/a&gt;.'/>