Merge pull request #1362 from kingFighter/tests

[tset] update snapshot and crash dump
Check whether to enable threaded compositing

Part of Fix #1340
Event support on CDT window object
[CDT] object id check on closing
SendEvent with multiple arguments
[GTK] move and resize event support

Fix #799
[WIN] move and resize event support

Fix #799
Clear object registry before quit
handle return v8 value correctly

or it will crash in v8 win dbg
[OSX] support move and resize events

Fix #799
bump version to 0.8.2
Free window object on shell destruction

Fix #1364
Force close the new-instance window
[README] update for 0.8.2
Fix crash in ClearCache in some cases
bump version to 0.8.3-rc1