1.微调了7441中1360X768和1280X960配置，使图像无偏移。
2.视频微调结构改成short型；对负数的参数做了变换；修改一处BUG：串口命令获取参数都只为8位。
3.muxserver中public函数都使用锁机制，对参数合法性做检测并打印提示

git-svn-id: https://build-machine:8443/svn/dcourt2_s/trunk/Software/muxproject/plateform/muxsdk@2155 df730d59-6845-a648-8175-067393f4be60
git-svn-id: https://build-machine:8443/svn/dcourt2_s/trunk/Software/muxproject/plateform/muxsdk@2157 df730d59-6845-a648-8175-067393f4be60
Initial commit
Merge branch 'master' of https://github.com/wangxin0020/muxsdk