Merge branch 'contract' into develop

src/main/webapp/WEB-INF/classes/cont/CON505/contract_approval.lwm

+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+    $Author: lijingjing
+    $Date: 2018-11_03 上午11:00:06  
+    $Revision: 3.0  
+    $Purpose: 
+-->
+<bm:model xmlns:bm="http://www.leaf-framework.org/schema/bm">
+    <bm:operations>
+        <bm:operation name="update">
+            <bm:update-sql><![CDATA[
+                begin
+                    con_contract_workflow_pkg.contract_submit(
+                    p_contract_id =>${@contract_id},
+                    p_user_id => ${/session/@user_id}
+                    );
+                end;
+            ]]></bm:update-sql>
+        </bm:operation>
+    </bm:operations>
+</bm:model>