KDE:Unstable:Applications with reduced dependencies

cantor:
- omit python2 support
- split -backend-* (R, julia, kalgebra, lua, maxima, octave, python3, qalculate, sage, scilab)

dolphin:
- omit kactivities support
- omit baloo support

gwenview5:
- omit baloo support
- omit FITS support
- omit kactivities support
- omit kdcraw support
- omit kipi support

kdenlive:
- omit v4l support
- split -lumadata

kig:
- omit python2 support

kio-extras5:
- split OpenEXR support
- split smb support
- split mtp support

kolourpaint:
- omit kexiv2 support
- omit ksane support

kwave:
- omit Qt5MultiMedia support
- enable libmad (MP3) support
- split -plugin-* (audiofile, flac, mp3, ogg, wav)

okular:
- omit Qt5TextToSpeech support
- omit purpose support
- split -doc
- split -generator-* (chm, djvu, dvi, epub, kimgio, markdown, mobipocket, pdf, ps)

spectacle:
- omit kipi support
- omit purpose support