first draft escrow exchange text


git-svn-id: http://es-lab.googlecode.com/svn/trunk@720 aeea10e6-ec39-11de-83d8-6d5adf01d787
First draft contract host section


git-svn-id: http://es-lab.googlecode.com/svn/trunk@721 aeea10e6-ec39-11de-83d8-6d5adf01d787