meta-python2 - Layer enabling legacy python2 support after EOL

Age	Commit message (Expand)	Author
2020-02-07	python-twisted: cosmetic changes to RDEPENDS	Tim Orling
2020-02-07	python-twisted: add required RDEPENDS for twistd	Tim Orling
2020-01-22	python3-twisted: fix broken MemoryReactor import	Trevor Gamblin
2020-01-19	python-twisted: add missing RDEPENDS for conch	Trevor Gamblin
2020-01-18	python-twisted: add python3-pyserial to RDEPENDS	Trevor Gamblin
2019-12-01	python-twisted: inherit python-dir; fix install	Tim Orling
2019-12-01	recipes-devtools: merge inc and bb PART II	Tim Orling
2019-11-20	python-twisted: upgrade 19.7.0 -> 19.10.0	Zang Ruochen