repro steps:
1. Open user attached project
2. Play JitteBug.unity scene
3. Move mouse around gameview
-Notice that gameobjects are jittering.

Expected result: objects are are not jittering
Actual resul: objects are jittering when camera is moved around

Note: This does not happen when gameObject "World" transform is reset.
Note2: Same results on windows build and editor.

Repro on: 5.2.0f4, 5.3.5f1, 5.4.0f3
No repro on: 5.5.0a5