v0.9.0: Refactor utils to use in Transformers

v0.9.0: Refactor utils to use in Transformers

This release offers no significant new API, it is just needed to have access to some utils in Transformers.

• Handle deprication errors in launch by @muellerzr in #360
• Update launchers.py by @tmabraham in #363
• fix tracking by @pacman100 in #361
• Remove tensor call by @muellerzr in #365
• Add a utility for writing a barebones config file by @muellerzr in #371
• fix deepspeed model saving by @pacman100 in #370
• deepspeed save model temp fix by @pacman100 in #374
• Refactor tests to use accelerate launch by @muellerzr in #373
• fix zero stage-1 by @pacman100 in #378
• fix shuffling for ShufflerIterDataPipe instances by @loubnabnl in #376
• Better check for deepspeed availability by @sgugger in #379
• Refactor some parts in utils by @sgugger in #380