Updating libs for xplanner-plus

 The major changes comparing with xplanner 0.7b7

Upgraded libraries:

• Struts (1.1 -> 1.2.9)
• Spring (1.2.6 -> 1.2.9)
• Velocity (1.4->1.5)
• Jasper (0.5.x -> 1.0.2)
• MPXJ (0.0.24->3.0.1)
• dom4j (1.4 -> 1.6.1)
• commons-digester (1.4->1.6) 
• Struts-spring plugin removed, and switched to struts spring integration in spring.