app: make listen address configurable w/ environment variables

README.md

deployment/docker-compose.yml

...ions/src/main/java/info/mathhub/uloapi/config/Config.java

...ications/src/main/java/info/mathhub/uloapi/html/Main.java

...ations/src/main/java/info/mathhub/uloapi/html/Routes.java

...ions/src/main/java/info/mathhub/uloapi/query/GraphDB.java

...ations/src/main/java/info/mathhub/uloapi/query/Query.java

...storage-applications/src/main/resources/uloapi.properties

src/ulo-storage-collect