Adding level-paramsets after in another runLoop

Makes the website more responsive.
Using a fully recomputing property for the storage_volume on requirement

instead of the one-time semantics, as they get confused.
merged-array: {_add,_remove}Position are only called after the bindings have settled
merged-array: comment out the check whether anything changed
have reset relocate to the index page after resetting
use a storage.json without requirements

requirements without requirement-sets don't work anyway.
Make jshint happy