temp disable thread save test
add talk number to user info ,add message type to message
change text property to plain_text to avoid sqlite keywords problem
fix a bug that message type check reference column name incorrectly
fix not assign pagedInfo to MessageQuery when json deserialize bug
more clear test
add dataStore.queryNewest test
message must init MessageType at constructor
makes messageType after sender_id_bytes column
print random message generated in RandomUtility
makes AbstractMessage more convenience
more clear stmt use
fix wrong use of SQLiteStatment,all SQLiteDataStore test passed
some front end impl
use GSON to test json
improve TwitterServlet
self construct HttpClient, avoid same instance misuse caused wrong text
result in ServletTest
randomServerSideTextMessage->randomNoRefTextMessage . there's no
difference between server-side and client-side no-ref message
unused var clean up in ServletTest
fix TwitterServlet inverse save result send