find misfit from envelope or absolute
Extended misfit testing
k in PoleZeroResponse can be complex
misfit: yield Nones if no overlapping data
seismosizer: operational RingfaultSource, MTSource
fomosto: implemented server and download methods
seismosizer: fixed incomplete post processing stuff
cake: use new-style classes only
fomosto: added progressbars to import, export, decimate and redeploy
fomosto: finished implementing download command
fomosto: include qseis and qssp wrappers with pyrocko
fomosto export: fixed an error occurring when some traces are empty
raise NoData in trace.copy if data is none