Remove code::blocks files

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
Nightly runs twice a day instead of once

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
Merge branch 'master' of https://github.com/coolprop/coolprop
Update url for pcre

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>