Updated invoice panel
Merge branch 'master' of https://github.com/d14123081/team4.git

Conflicts:
	Retail Storage System.db
Revert "Merge branch 'master' of https://github.com/d14123081/team4.git"

This reverts commit 305c4283dfef3b3da330cdb55d7129389973daa2.
Merge remote-tracking branch 'origin/master'

Conflicts:
	Retail Storage System.db