svaing time series data to miniseed working - mimicking folder structure of original ts data files in a parallel directory tree - works on recursive folders

Signed-off-by: LK <LK@uni>
typos in filehandling.py

Signed-off-by: LK <LK@uni>
unified generation of unique output files - generally no overwriting of files

Signed-off-by: LK <LK@uni>
mseed.py: corrected typos

Signed-off-by: LK <LK@uni>
processing: started filter and decimation

Signed-off-by: LK <LK@uni>
Merge branch 'lk.tutorial'