[test_data] implemented unittests for thimeshift
[data] unique way to return results in timeshift
[data] implemented also shift of time vector in timeshift
[data] implemented _shift_time_start_firstdate
Merge branch 'master' of github.com:pygeo/pycmbs
[data] implemented new option for get_climatology which ensures that climatology starts with first date (e.g. January) instead of first date of data. This is now the default behaviour! Note that this is not backward compatible
[analysis,plots] added models to Hstacktimeseries in analysis, new option in Hstacktimeseries that allows to skip adding data if the key is already existing
--amend