Update lms-payments.php

To chyba powinno być na odwrót,
jeśli liabilityid = 0 to mamy taryfę która ma jakiś typ,
jeśli liabilityid != 0 to nie mamy typu (-1).
Merge pull request #200 from pjona/patch-17

Update lms-payments.php
Merge pull request #201 from maniac777/master

Simple UI improvments
copy shortname fromdivisions to documents
fixes for netdev link technology
copy shortname fromdivisions to documents
missed div_shortname
Merge branch 'master' of https://github.com/lmsgit/lms

Conflicts:
	doc/ChangeLog
Merge branch 'master' of https://github.com/lmsgit/lms
fixed last sql query modification for RTStats