Change project directory structure according to application structure.
Change 'nox' configuration option to something more meaningful 'nogui'.
Rename 'Icons' folder to 'icons' (similar to other folders).
Partially add 'nowebui' option support.
Remove QConf project file.
Fix compiler error when compiling with -std=c++11
"invalid suffix on literal; C++11 requires a space between literal and
identifier [-Wreserved-user-defined-literal]"