Programmer capture from rig functions updated
Interface and FrameManager tests. Modified ArnoldFileFrameManager.

ArnoldParameterVectorTests unimplemented.
Finished auto tests for selected arnold class.

Fixed bug related to space removing in ArnoldInterface.
Fixed bug of operator of ArnoldParameterVector.
Added an extra ArnoldFileFrameManager to ArnoldAnimationPatch.
Added support for orientation in metadata. Changed lookat.

Lookat now means "to look at a point" not "to look along a direction".
Updated heights and orientations. Renamed fixtures.
S4 Jr 50 added. Fixed bad delete in ArnoldInterface.
Merge branch 'master' into tests
Merge branch 'chenxi' into test_merge