ui library initial commit
wwindow exit function
small fix
temp commit
Merge branch 'dpm-2.0.0'
Merge branch 'ui'
Merge branch 'master' of https://github.com/VladyslavKurmaz/cpp-atom into dev-2
Merge branch 'dev-2' of https://github.com/VladyslavKurmaz/cpp-atom into dev-2