snuffler: reset sigint handler after snuffle()
iris_ws: updated urls
added fdsn stuff
wip on fdsn stuff
io.save: fixed a problem when traces argument is a (one time) iterator
io.save(..., format='text'): returning of filenames was missing
snuffler: allow reading of some GSE2 files
fomosto: fixed a problem in timing params determination

Conflicts:
	pyrocko/gf/store.py
fixed an occasionally occuring problem with file locking
added fomosto 'dummy' backend for debugging
fixed an occasionally occurring problem with file locking on nfs
fix for a funny problem where read() returns EBUSY on NFS
play nice when no tabulated phases are wanted
parimap: don't start all worker processes at once
parimap: delay joining of worker processes to end to prevent hangs
parimap: simplified code
parimap: flake8 ok
snuffler: fixed a problem with lost association between phases and event
add posted time to kps catalog events
fomosto export: fixed an error occurring when some traces are empty