#5121: Setting allow_empty to True for entity_burnin_sg_fields and task_burnin_sg_fields

v0.3.2.16

#5121: Setting allow_empty to True for entity_burnin_sg_fields and ta…

#4558: Added settings task_burnin_sg_fields and entity_burnin_sg_fields for sg fields to be added on mov slate

feature-4558

Added settings task_burnin_sg_fields and entity_burnin_sg_fields for sg fields to be added on mov slate

#744: review submit now has separate render and submit methods in public API

• Added custom exceptions to renderer.
• Updated parameters path to path_to_frames, output_path to path_to_movie.
• processes the returns from the nuke subprocess.
• added extra_write_nodes_path_info to settings.

#563: make subproc python file configurable, replace SG variables

Merge pull request #4 from aparna-d2/task-563

#563: make subproc python file configurable, replace sg variables in Nuke script

Fix unicode colorspace

Merge pull request #5 from aparna-d2/bug-608

#608: Convert unicode colorspace to str

Minor bug fixes

Merge pull request #3 from aparna-d2/bug-561

#561: pickle all subprocess args, hack for subprocess output capture.