more config options (host, passwords, tripal themes), adapted methods to handle several histories in the same instance

Modifications for multiple histories in the same gaalxy instance, some changes for swarm architecture

Deploy stacks and load data both working, only phaeoexplorer workflow script to finish. Data loading done directly from the script (not calling the container script anymore). Also some polishing.

Swarm functional version (wait for galaxy service to finish scanning /export before running the data loading + workflow script)

autoload.py: script implementation, easier to understand and use. small fixes to workflow.py and main.py