minor style cleanup to povray export and fix for UI, setting booleans now expects 0/1 only.


git-svn-id: https://svn.blender.org/svnroot/bf-extensions/trunk/py/scripts/addons@4161 96b784f8-4ae3-dd11-aff7-0030488c597c
add userprefs for povray binary location.


git-svn-id: https://svn.blender.org/svnroot/bf-extensions/trunk/py/scripts/addons@4162 96b784f8-4ae3-dd11-aff7-0030488c597c
simplify povray binary checking, split it out into its own function. on windows check for 64bit then 32bit, assuming if 64bit is installed that the system is capable of running it.


git-svn-id: https://svn.blender.org/svnroot/bf-extensions/trunk/py/scripts/addons@4163 96b784f8-4ae3-dd11-aff7-0030488c597c
minor changes to last commit


git-svn-id: https://svn.blender.org/svnroot/bf-extensions/trunk/py/scripts/addons@4164 96b784f8-4ae3-dd11-aff7-0030488c597c