Fix bugs in both Private message and public message.
[UI] Delete all files which need Internet
[UI] Delete message socket.
[UI] Add a page for searching.
[UI] Test for display private message.
[UI] Test1
[UI] Fix bugs: dispaly PM bothway;notify users about new message.
[UI] Fix the bug: display public message bothway!
changed memory to handle timing in the backend
Merge pull request #7 from juanchel/jcb

changed memory to handle timing in the backend
[UI]Analyze SocialNetwork, havent done yet.
[UI] Analyze SocialNetwork is done!; Delete MP from welcome page.
deleted class files
merging