Update README
Update README
	source/icecream/
	source/pos/
issue #20248: Fix billable checkbox to work and enforce privileges.
Merge pull request #14 from jrogelstad/20458

issue #20458: Fix billable checkbox to work and enforce privileges.
README Tweaks.
Merge pull request #11 from bendiy/master

Update the README
Merge remote-tracking branch 'XTUPLE-EXTENSIONS/master'