new install documentation reflecting new mh17 env
trivial
removal of unused code
support for blender in PATH
More careful handling of internal_canonical
Posthoc inclusion of objectome gd classes (from Ethan's code)
for objectome car subordinate tasks
undoing some stuffs that should be sent to dldata
doc misc
Merge pull request #27 from yamins81/devel_hahong

Some updates