Added unit test for AddLicensePresenter
Merge branch 'master' of https://github.com/Sch3lp/ducking-octo-archer
VladTableBuilder now knows to add empty string columnheaders when adding remove/edit columns; created specific comboboxes for licensetype and products
Merge branch 'master' of https://github.com/Sch3lp/ducking-octo-archer
Merge branch 'master' of https://github.com/Sch3lp/ducking-octo-archer