added parameters class
move first parameters in parametersEngine
added animations to parametersEngine
added windows previews settings in parametersEngine
added font relevance and showStoppedActivities in parametersManager
change parametersManager to StoredParameters
fixed some compiling warnings
moved firstRun parameters to storedParameters
moved parameters:theme,tipsdelay,hideonclick to storedParameters
added qml plugins structure for starting decoupling (from james147 branch)
added more session parameters(currentDesktop,noOfDesktops,compositinActive)
fixed bug not loading wallpaper for current activity
update settings for sessionsParameters.numberOfDesktops
added sessionParameters.effectsSystemEnabled(not working for some reason)
cleanup and currentDesktop parameter

--use sessionParameters.currentDesktop
--cleaned up old deprecated code
added sessionParameters.taskInDragging to cleanup tasks model
removed completely inDragging from everywhere(is not needed)
added preparation for screenRatio
removed deprecated code for isOnDashboard,added isInPanel in sessionParameters
fixed workareas lists appearance