[DF-2992] save/load working for new materials now
[DF-2851] Fix crash in saving landscape texture to a file when no color texture was set to landscape
[DF-2992] sorting key for material based on its technique
Merge branch 'origin/feature-integration-new-materials'
[DF-3077] Moved used TextureDescriptor::pathname instead of Texture::RelativePathname
Merge branch 'feature-integration-new-materials' of https://github.com/dava/dava.framework into feature-integration-new-materials
[DF-3087] Fixed and optimized save with children
[DF-3077] Changed type of debug string at Texture from String to FastName
Merge branch 'DAVA/feature-integration-new-materials'