Added command line option to render a project in studio.
Removed unused include.
fix for Franz comment
fix for Franz comment
Minor formating.
Merge branch 'studio_cmd_line_opts' of https://github.com/est77/appleseed into studio_cmd_line_opts
Fixed review comments.
Fixed error in last commit.
Merge pull request #245 from est77/studio_cmd_line_opts

Added command line option to render a project in studio.