Add package KIO and dependencies
* README: Remove mkportable note. * configure.ac, packages/gen-frameworks.sh, packages/packages.common, src/Makefile.am, src/config.nsi.in: Add kbookmarks, solid, kservice, kjobwidgets, kio. * src/inst-kbookmarks.nsi, src/uninst-kbookmarks.nsi, src/inst-kio.nsi, src/uninst-kio.nsi, src/inst-solid.nsi, src/uninst-solid.nsi, src/inst-kservice.nsi, src/uninst-kservice.nsi, src/inst-kjobwidgets, src/uninst-kjobwidgets.nsi: New. * patches/kio/fix-cross-build.patch: New.
This adds KIO as a new dependency for Kleopatra and prepares
for an additional Okular package. KIO is reduced for a build
without Networking / SSL Support and without DBus.