better way to source files so non login shells get good prompts as well
change green color to default ansi green
Squashed 'lib/pure/' content from commit 36fd567

git-subtree-dir: lib/pure
git-subtree-split: 36fd5674d1c02c8747f8b0b42e4bfcb2f7edede2
Merge commit 'e45e70c3dfb1fd4463273e8dfff3c9782bdf1024' as 'lib/pure'