add commons-fileupload jar
add TextMessage construct
add a test datastore
add a random message generate function
makes json parse simpler
do not filter query message servlet
add query message servlet
return random message from TestDataStore
remove Search prefix from UserQuery and MessageQuery
move random function together to RandomUtility
fix wrong query message return logic ,send failed result when query is
ok
add load message implement
add makeup db path function
add TextMessage necessary getter
add some SQLiteDataStore prototype
some script prototype
add EncodingFilter to tomcat web.xml