HistoryTabMaker class renewal
Merge branch 'master' of github.com:alajal/soft6

Conflicts:
	src/ee/ut/math/tvt/salessystem/ui/panels/PaymentFrame.java
Merge branch 'master' of github.com:alajal/soft6
HistoryTabMaker shows order sum, time and date; creation of HistoryTabModel
Merge branch 'master' of github.com:alajal/soft6