* MNT-21869 libreoffice timeout set too high
Reduce default value of timeout for libreoffice from 2000min to 20min
Add option to configure libreoffice timeout externally.
Enable to configure externally the port on which the app starts.
Add external-engine-configuration.md
* ATS-421 : ATS-400: Create Travis build for "alfresco-transform-core"
- rename mvn profile from 'enterpriseDocker' to 'local'
- add config to publish docker image on both Quay and Docker
- remove unused 'master' profile - similar to ATS, publish images only from master branch and on Release
- update <distributionManagement> to publish artefacts to Nexus public (rather than Enterprise Releases)
- add travis build configs
- include SP branches to travis build
- add documentation on build&release process
- updates based on initial review comments, including
-- fix typo (s/successful/failed)
-- add example error status code
-- add link to Alfresco SFS API spec
- also slight re-wording of /transform description