* utils: use size instead of objdump, include .text1 in .text calculation

* cleanup class attrs, import

* scripts: memanalyzer fixes

- cleanup duplication
- cleanup external dependencies
- properly use subprocess when calling pio, add debug mode
- cleanup argparse usage, use store_true actions instead of counters
- use python3 syntax and python3 shebang by default
- fix some issues with module dependencies

* move to scripts

* use simple return

* quick fix for rfm

* codacy unused import

* formatting

* show defaults

* while at it, rewrite to make pylint happy

* fix unused

* add windows support + note

* utils/version: use git description token as version, add memoization

* pio: move extra scripts to a separate directory

* pio: add -DAPP_REVISION=... as local build flag