Fix pretty major tipi/vaadin memory leak
Release of com.dexels.navajo.tipi.vaadin version 1.1.12
Development stream of com.dexels.navajo.tipi.vaadin version 1.1.13
Release of com.dexels.navajo.tipi version 1.1.57
Development stream of com.dexels.navajo.tipi version 1.1.58