Handle error if the file is too small

Fixed stl conversion not working with some obj files

Fixed camera position on vertical view

Added error log to status file

Switch conversion utils from ASSIMP to OpenCTM

Update docker badge with new name

Fixed flipped object at render

Add Docker Hub badge to README.md

Added optipng to reduce size of final png

Fixed offset for camera

Fixed camera zoom and added tansparent background

Changed camera position and added transparent background

Update script to work with transparent background renders

Fixed throwing error causing task-actioner to crash

Fixed render orientation problems