See https://www.kdab.com/goodbye-q_foreach/
This is reduced to the places where the container is const or can be made const
without the need to always introduce an extra variable. Sadly qAsConst (Qt 5.7)
and std::as_const (C++17) are not available in all supported setups.
Also do some minor cleanups along the way.
Signed-off-by: Rolf Eike Beer <eike@sf-mail.de>
Rename CodingStyle into CodingStyle.md
Update markups to use the ones used in other md files
Move external link reference to the bottom of the file
Signed-off-by: Jeremie Guichard <djebrest@gmail.com>
