Issue 2180 set agreement as NULL when it update the value. 1.5.3.1 branch has no agreement update value, so.. I commit on the 1.5.3 branch.
Issue 2180 set agreement as NULL when it update the value.
1.5.3.1 branch has no agreement update value, so.. I commit on the 1.5.3 branch.

git-svn-id: db3efd3558199237b4f78761e22a3ed40604adce@10950 201d5d3c-b55e-5fd7-737f-ddc643e51545

ibin79/xe-core,hhgyu/xe-core,ibin79/xe-core,janghwan/xe-core,qkrcjfgus33/xe-core,ckstoa/xe,xetown/xe-core,ckstoa/xe,wkpark/xe-core,youprofit/xe-core,qkrcjfgus33/xe-core,qkrcjfgus33/xe-core,xetown/xe-core,youprofit/xe-core,Vomvoru/xe-core,Vomvoru/xe-core,wkpark/xe-core,sejin7940/xe-core,janghwan/xe-core,wkpark/xe-core,janghwan/xe-core,Vomvoru/xe-core,xetown/xe-core,ibin79/xe-core,sejin7940/xe-core,hhgyu/xe-core,ckstoa/xe,hhgyu/xe-core,sejin7940/xe-core,youprofit/xe-core