Starting from version 7.5.x this code has been moved
Most code moved to uberfire (https://github.com/AppFormer/uberfire)
The former Guvnor ALA modules have moved to kie-wb-common (https://github.com/kiegroup/kie-wb-common)
Older branches (i.e. 7.4.x, 6.x) are still kept in this repository.