fullscreen optimization
Optimization for FULLSCREEN mode:
  Two VideoView share the same buffer mixel(static)
Fix the unsupport problem in the version of android 4.2
Fix problems:
1. Screen resolution compatibility;
2. BACK key exception.
Fix some problems:
1. ICON;
2. Version;
3. Screen Orientation.
Add get device by device name function
Add get device by device name function(part2)
add load last setting function
fix device name bug
Fix some problems:
1. Version;
2. Taking picture prompts success while there doesn't exist SD card;
3. Add the prompt of Getting device and device list in value, valen-en
and values-zh-rTW folder.
Add Handler to process the UI message, and shift some prompt code from
H264StreamReceiver.java to MainActivity.java.
Use HANDLER to process the UI-updated request from non-UI thread
fix get device by device name bug
fix last record and channel bug
Fix bugs:
1. Setting -> Menu -> Cancle, crash
fix can switch channel bug
Remove the addResultItem operation of  tlv_V_VideoFrameInfo,
tlv_V_VersionInfoRequest and tlv_V_StreamDataFormat to optimize
performance.

Eg: ConnectionManager.getConnection(conn_name).addResultItem(...);
Fix problems:
1. Modify prompt message while Internet off;
2. Optimize the performance by removing the resetArray method;
3. Add heartbeat check during the receiver procedure.
Fix some problems:
1. The parse error of LoginResponse;
2. Replace the prompt message of Login_Fail with "User or password
error";
3. Fix a prompt message override problem.
Add some features:
1. When client receive none in 8 seconds, then it indicates that server
lost(Add setSoTimeout);
2. Fix version code and name in AndroidManifest.xml;
3. Add some other error situations procession in MainActivity.java;
4. Use HANDLER in DataProcessServiceImpl.java;
5. Heartbeat check.