Merge pull request #1 from zchydem/master

Now Xmp.iptc.Location is also removed, when requested so.
[libquillmetadata] Port to Qt 5.
Merge pull request #2 from martinjones/qt5

Port to Qt5
[libquillmetadata] Fix package dependencies in Qt5 port

Also remove .prf in favor of pkgconfig
Merge pull request #3 from martinjones/qt5

[libquillmetadata] Fix package dependencies in Qt5 port
[libquillmetadata] Fix Qt 5 packaging.
[libquillmetadata] Fix Qt 4 packaging too.
[libquillmetadata] Add old changes file.
[libquillmetadata] Use different names for suite/sets for Qt5
Merge pull request #4 from matthewvogt/suite-rename

[libquillmetadata] Use different names for suite/sets for Qt5