Allow multiple BUILD_DIRS (but Makefile.common must be included later)
Adds installation of some cmake files and gets rid of many manual
installation rules.
Bump PKGREVISION where PLIST changed.
It provides many improvements over Qt 5.2.0 as well as packages Qt Creator 3.0.1. As a patch release, it does not add new features and remains binary compatible with Qt 5.2.0.
libxcb-1.10 has one major library version change, for libxcb-sync.so
(from 0 to 1) and qt5 is the only package I could find that uses
this particular library.
