Use the new store_on_gpfs function
Bump vsc-utils dependency version
Add the key for storing the information in the cache
Fixed getting the path to the pickles or JSON files.
Version bump
No longer necessary to catch storage errors since they were removed from
vsc-utils
Fix imports

- remove os import
- remove various Error class imports from vsc.utils.fs_store
Merge pull request #26 from itkovian/store-on-scratchgengar

Store on scratchgengar