High Level Branching

#High Level Branching
##Python-Backend
###First
Was config modified? -> rebuild Database -> remove all db hosts and modules which do not exist anymore
###Second
Execute every module script and build every necessary json file for the frontend xhr requests.
##JS-Frontend
###First
initialize with the root json file.
switch to the home view. Build the content. Which modules are active is static until reload of the site.
Fetch the "Host to Module" relations in a specified interval.
When switching to module clear the dom content, request an update for the current subtree and fill the dom content.