marked several dependencies as optional (SPR-5820)

git-svn-id: https://src.springframework.org/svn/spring-framework/trunk@1363 50f2f4bb-b051-0410-bef5-90022cba6387

org.springframework.web/pom.xml

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="UTF-8"?>
+oxm<?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.springframework</groupId>
@@ -17,11 +17,7 @@
       <groupId>com.caucho</groupId>
       <artifactId>hessian</artifactId>
       <version>3.1.5</version>
-    </dependency>
-    <dependency>
-      <groupId>com.caucho</groupId>
-      <artifactId>burlap</artifactId>
-      <version>2.1.12</version>
+      <optional>true</optional>
     </dependency>
     <dependency>
       <groupId>javax.el</groupId>
@@ -105,7 +101,7 @@
       <groupId>org.springframework</groupId>
       <artifactId>spring-aop</artifactId>
       <version>${project.version}</version>
-      <scope>compile</scope>
+      <optional>true</optional>
     </dependency>
     <dependency>
       <groupId>org.springframework</groupId>
@@ -129,7 +125,7 @@
       <groupId>org.springframework</groupId>
       <artifactId>spring-oxm</artifactId>
       <version>${project.version}</version>
-      <scope>compile</scope>
+      <optional>true</optional>
     </dependency>
     <dependency>
       <groupId>taglibs</groupId>