Hostbuilder server-side. Realised with JPA and REST for TOMCAT.

Create Database darklands_host_builder in POSTGRES under user postgres.

Checker Framework used: http://types.cs.washington.edu/checker-framework/eclipse

Ignore unsupported @SuppressWarning("initialization.fields.uninitialized") with: Java -> Compiler -> Errors/Warnings -> Annotations -> Unhandled Token in '@SuppressWarnings' and set it to ignore