Move extra installs from core.pro to core_module.pro

core_module.pro is the one responsible for deployment of the binary so
it makes sense to also let it handle the other files to install.

This leaves core.pro to only handle sub-projects dependencies.

Change-Id: Ibe433eceec7fb0a9f806dfa89dccb0bedeaccc59
Reviewed-by: Andras Becsi <andras.becsi@digia.com>