initial commit

Signed-off-by: gogomako <gogomako@gmail.com>
Merge branch 'master' of github.com:lunpin1101/2013_spring_IA_final_project

Conflicts:
	IAFinal/src/buyer/agent/BuyerAgent.java
	IAFinal/src/buyer/gui/Frame.java
	IAFinal/src/buyer/gui/GUI.java
	IAFinal/src/seller/agent/SellerAgent.java
	IAFinal/src/seller/gui/Frame.java
	IAFinal/src/seller/gui/GUI.java