changed the type of the IOR inputs of the specular BTDF from text to numeric.
Merge branch 'master' of github.com:appleseedhq/appleseed
set a minimum width on the attribute editor dock widget.
translucency should be a color, not a scalar
Merge https://github.com/appleseedhq/appleseed
Merge pull request #337 from DaviesX/master

translucency should be a color, not a scalar
fixed bug in 2c0d047ec0e4e31061e441099d28911e6db72c75: wrong scaling by translucency factor.

minor code edits.
minor code cleanups.
reverted a2ac6285756bdc3073ddea410f9fb4e274c56d06.

Reverted a2ac6285756bdc3073ddea410f9fb4e274c56d06: delete widgets immediately in appleseed::studio::clear_layout(). The reason is that we often have signals in flight when we clear layouts (for instance when we rebuild the entity editor form when changing the model of a BSDF), so deleting widgets immediately is incorrect and leads to crashes.
A possible fix for possible clang alignment issues.
Merge https://github.com/appleseedhq/appleseed
Reuse foundation pow2 functions.
Add ability to assign materials to both sides of an object instance at once
formatting fixes and minor code cleanups.
Simplified things and small improvements in alignment fixes for clang.
Merge pull request #341 from est77/OSL_align

OSL alignment fixes
Moved closures test scene to its own directory.
Merge pull request #342 from est77/master

Moved closures test scene to its own directory.
modified spectral widget to use custom wavelengths from input
fixed crash on Linux.

When setting the format of an input to renderer::InputFormatSpectrum, the input evaluator will write a (spectrum, alpha) pair, not just a spectrum.