Simplify ifndef
Use references to pass / hold OSL related classes.
Fixed conflict with master.
improved robustness of makefluffy with large length-fuzziness values.
Merge branch 'master' of github.com:appleseedhq/appleseed
Fixed PR comments.
Merge pull request #499 from est77/est

Use references to pass / hold OSL related objects.
Switch to debug build on Travis as per Francois' request
fixed warnings in unit tests.
Merge branch 'master' of github.com:appleseedhq/appleseed
cosmetics.
Custom Texture expression function

The call to the functions looks something like this:
texture("path/to/texture.png", $u, $v) where $u and $v
can be replaced by any other variable.

Signed-off-by: Marius Avram <marius.avram1309@gmail.com>
Merge pull request #500 from marius-avram/texture_expression3

Custom Texture expression function
Clear, Load, Save expression editor fix

Signed-off-by: Marius Avram <marius.avram1309@gmail.com>
Split OSL reflection and (future) refraction microfacet closures.
Merge pull request #502 from est77/est

Split OSL reflection and (future) refraction microfacet closures.
Merge pull request #501 from marius-avram/save_load_fix

Clear, Load, Save expression editor fix