D17765: [kcmkwin] Extract effects model into a shared library

zzag created this revision.
zzag added a reviewer: KWin.
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REVISION SUMMARY
  The main motivation for moving it into a shared library is to share the
  model between Desktop Effects and Virtual Desktops KCM.
  
  The extracted model is quite the same as the one in Desktop Effects KCM,
  except some minor changes, e.g. rename loadEffect and syncConfig to more
  convenient names, add comments, some whitespace changes, fix coding
  style in some parts, etc.

TEST PLAN
  effectModelTest passes, Desktop Effects KCM works.

REPOSITORY
  R108 KWin

REVISION DETAIL
  https://phabricator.kde.org/D17765

AFFECTED FILES
  kcmkwin/CMakeLists.txt
  kcmkwin/common/CMakeLists.txt
  kcmkwin/common/Messages.sh
  kcmkwin/common/effectmodel.cpp
  kcmkwin/common/effectmodel.h
  kcmkwin/kwincompositing/CMakeLists.txt
  kcmkwin/kwincompositing/model.cpp
  kcmkwin/kwincompositing/model.h
  kcmkwin/kwincompositing/test/effectmodeltest.cpp

To: zzag, #kwin
Cc: kwin, GB_2, mkulinski, ragreen, jackyalcine, Pitel, iodelay, bwowk, ZrenBot, lesliezhai, ali-mohamed, hardening, jensreuterberg, abetts, sebas, apol, mart