Changes: Improve DuiSceneManager documentation
Changes: Improve DuiSceneManager documentation

RevBy: TrustMe
Details: Remove all references to "show", "hide" and "close".
Also using "sceneWindow" as parameter name instead of "window".

nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch