Add HomeScreenImage to models and db

git-svn-id: svn://192.168.5.211:9188/trunk@300 bb20246c-724e-4bba-9fa3-4b8641970e91
Add set_click() to HomeScreenImage to record user's click

git-svn-id: svn://192.168.5.211:9188/trunk@303 bb20246c-724e-4bba-9fa3-4b8641970e91
Cut long line into two

git-svn-id: svn://192.168.5.211:9188/trunk@304 bb20246c-724e-4bba-9fa3-4b8641970e91
Add /homebanners/ interface

git-svn-id: svn://192.168.5.211:9188/trunk@305 bb20246c-724e-4bba-9fa3-4b8641970e91