add mips32 support
Merge pull request #24 from gridnow/master

mips32 support
1.在subsystem/session/kb_unicode.c 中增加判断键盘shift capslock 扫描码功能键,并将与该功能键有关的字符转换为相应的特殊字符
2.去除test_ringbuff.c内编译警告
删除不必要宏定义key
Merge pull request #30 from tc1989tc/master

增加识别shitf以及caplocks扫描码，进行特殊字符的转换以大小写转换
pthread库key/value实现
1.添加互斥锁初始化
文件注释
Merge pull request #31 from tc1989tc/master

the pthread key
基本所有按键都至少不死机了
保证按键都不死机
让所有按键都不死机
Merge pull request #32 from guotong1988/master

the died key should be merged to master~~~~~~~~
Move get_current_pt_specific/set_current_pt_specific to pthread library, deleted them from YSTD.
llh for env submit
Merge branch 'master' into newllh