string_forward function support rvalue ref
string_forward函数支持右值引用

Signed-off-by: Wanpeng Song <swpustc@mail.ustc.edu.cn>
Using original size_type
使用原始size_type类型

Signed-off-by: Wanpeng Song <swpustc@mail.ustc.edu.cn>
Fix size of basic_string buffer
修正缓冲区的basic_string的大小

Signed-off-by: Wanpeng Song <swpustc@mail.ustc.edu.cn>
Fix header and global macro
修正头文件和全局宏

Signed-off-by: Wanpeng Song <swpustc@mail.ustc.edu.cn>
Fix stringprintf function description
修正stringprintf函数说明

Signed-off-by: Wanpeng Song <swpustc@mail.ustc.edu.cn>
using unique_ptr
使用unique_ptr

Signed-off-by: Wanpeng Song <swpustc@mail.ustc.edu.cn>
Update dumpImageSize version to 1.1.6.8
更新dumpImageSize版本到1.1.6.8

Signed-off-by: Wanpeng Song <swpustc@mail.ustc.edu.cn>
Merge branch 'dev-2'

Signed-off-by: Wanpeng Song <swpustc@mail.ustc.edu.cn>