Sanitize session restored geometry
Review Request #124122 - Created June 18, 2015 and submitted
Now that session management is operative again, we maybe better improve that as well.
commit 7906bf065416535e62d8b9ee35367337cceb857bmake checkOffscreenPosition multiscreen aware CCBUG: 336193
commit 06adef1e8564a1153e83dff9b66ae01e55793a64checkOffscreenPosition on restored session geoms BUG: 336193