Added missing definition of license.skip referenced later in the POM
Added missing definition of license.skip referenced later in the POM

phenotips/phenotips,DeanWay/phenotips,phenotips/phenotips,JKereliuk/phenotips,alexhenrie/phenotips,alexhenrie/phenotips,phenotips/phenotips,mjshepherd/phenotips,danielpgross/phenotips,JKereliuk/phenotips,teyden/phenotips,tmarathe/phenotips,teyden/phenotips,tmarathe/phenotips,DeanWay/phenotips,teyden/phenotips,phenotips/phenotips,teyden/phenotips,danielpgross/phenotips,DeanWay/phenotips,danielpgross/phenotips,itaiGershtansky/phenotips,JKereliuk/phenotips,itaiGershtansky/phenotips,tmarathe/phenotips,itaiGershtansky/phenotips,teyden/phenotips,phenotips/phenotips,alexhenrie/phenotips,mjshepherd/phenotips,mjshepherd/phenotips