update gitignore : adding exec file

Signed-off-by: kibak.yoon <seseki17@gmail.com>
Modify Makefile(it's first step)

Signed-off-by: kibak.yoon <seseki17@gmail.com>
adding ControlManager/ViewManager
adding View class frame / modify main.cpp, common.cpp

Signed-off-by: kibak.yoon <seseki17@gmail.com>
modify Client Class(Echo version)

Signed-off-by: kibak.yoon <seseki17@gmail.com>
Modify Server Class(Echo Version)

Signed-off-by: kibak.yoon <seseki17@gmail.com>
Echo Version 1
Merge branch 'devel/client'
Echo Version 1
Merge branch 'devel/server'