Upgrade from previous instances

Liferay 7.3 and Java 11

Upgrading previous sw360 instances to Liferay 7.3.x and Java 11

Upgrade Sw360 from 14.0 to 15.0

Upgrade Sw360 from 14.0 to 15.0

Upgrade Sw360 from 15.0 to 16.0

Upgrade Sw360 from 15.0 to 16.0

Upgrade SW360 from 16.0 to 17.0

Upgrade SW360 from 17.00 to 18.1.0