Gwpy

Bug-fix release for the 0.7 series of GWpy:

- [645] fixed missing debian files in source tarball
- [646] only use fancy dependency specification if setuptools supports it
- [647] fixed macports `Portfile` to match requirements from maintainers

- [656] fixed pypi auto-deployment bug (again)

Development release of GWpy.

New features / backwards-incompatible changes:

- [550] simpler implementation of LIGO_LW XML interface
- [566] auto-discovery of `'time'` column was deprecated
- [584] can now force casting of custom dtypes to numpy dtypes
- [567] `gwpy.utils.compat` was deprecated
- [571] read `FrequencySeries` from LIGO_LW `<Array>`
- [574, 600] added support for using `pycbc.pdf` FFT routines
- [588] improvements to `verbose=True` output (now with progress bars!)
- [595] `Spectrogram` plotting now defaults to use `imshow` for matplotlib >= 2.0.0
- [609] improvements to filter specification for `TimeSeries.filter` and friends
- [641] new `DataQualityFlag.fetch_open_data` interface to LOSC Timeline segments

Numerous bug fixes and optimisations, for details see //github.com/gwpy/gwpy/milestone/12?closed=1&page=2.

Also included in this release for the first time is support for debian and RPM packages, aimed at the LIGO Reference distributions RHEL7 and Debian 8/9, and Macports.

Bug-fix for the 0.6 series of GWpy:

- fixed some docs issues [533, 536]
- improved plotting without usetex [534]
- added registered named colours for 2G GWO network [542, 543]
- added unified read/write to HDF5 for `TimeSeriesDict` [530, 545]
- deprecated `gwpy.utils.deps` submodule [539]
- fixed precision issue in writing segments to LIGO_LW XML [537]
- changed default normalisation in Q-transform to median [544]
- minor bug fixes [532, 538]

Bug-fix for the 0.6 version of GWpy:

- fixed bug in pickling `Channel` in python3 [524]
- improved unit name parsing [526, 531]
- fixed bug in computing Rayleigh spectrogram [528]
- fixed docstring bugs [529]