code simplification
Merge pull request #99 from dictoon/master

Minor tweaks.
set camera controller target to 0,0,0
Merge branch 'master' of https://github.com/jupiter-jazz/Mayaseed
changed focus region scale, to do: adjust for scenes not in cm
added matrix helper functions
added option to initialise shading node with a custom name
mayaseed now exports only the point lights and spotlights
ms_commands.has_shader_connected no returns the name of the first connected shader rather than just True
Merge pull request #101 from jonathantopf/master

Small improvements to dof and light export