Merge pull request #3296 from Atlante45/record_feature

Record feature
Merge pull request #3297 from Atlante45/record_feature

couple fixes
Ignore empty "embedded" textures

Blender 2.71 exporter "embeds" external textures as empty binary blobs
Merge pull request #3299 from ctrlaltdavid/19840

Ignore empty "embedded" textures