More detail: 1. Feature: Add support for memory allocation failure
2. Bug fix: RCU\GC: delete node before disconnect
3. Bug fix: Leafs are marked as root by mistake
4. Bug fix: GC layer might access already freed node
5. Bug fix: Memory leak (Layers are not being removed)
6. Optimization: Disable some debug\unused code (collect new nodes)
7. Optimization: Disable phantom epoch support (not in use by MOT)
8. Optimization: Extend node version to 64bit
9. Optimization: Optimize leaf size to support larger internal ksuffix
