obspy.y - basic structure, functional, registered and tested isY method
obspy.y: readY implemented + tests
correcting credits
updating changelog
add obspy.y to default test suite
y: add new module in docs and in waveform autodetection order
Y file has a very distinctive detection pattern so we can move it up in
the waveform auto detection order; also small fix in loading the data
without using a second buffer
disabling a print
avoid unittests assertEquals (deprecated in python 3, see e.g. 038452d5)
doctest typo
add Y format in `read()` docstring
add negative tests for isY()
Merge pull request #608 from obspy/y

read support for Nanometrics Y file format