[Bf-committers] Socket storage and backwards compatibility

[Lukas Tönne]

It looks like these would be solved with a trunk merge. The file
output node is still the old version, without any of the dynamic
socket list stuff. The main problem seems to be that the old image
node cannot properly cope with custom OpenEXR files that don't follow
the render_layer.render_pass.channel_extension naming scheme. The
trunk version should support this now (although currently a bit
cumbersome to use), at least it won't crash.