reverting code to run in the standard way (running with overwrite as false, etc). Removing redundant code from EnvSuitPipeline.py

import and shell script changes to use new plotting and met_extractor (now met_processing) package structures

EnvSuit pipeline update, to handle cleaning, job generation, and multiprocessing in a more direct way.

- dedicated run functions,
- work folder for each run,
- hadling multiple post processes so not just NAME data can be use as an input,
- general tidy up the code.

Updating Env Suit v2.0 calculation. Copied from operational EnvProcessor.py in master branch. Not tested for this commit.