Ioos-tools

* First oficial release

* Faster `is_model`. (Bypass iris cube creation.)
* Using folium `v0.2.0` for maps.
* Re-incorporated tardis.py functions.
* Fixed pandas-syntax bug.
* No longer hard-code the log name in `start_log`.

* Fix bug in simpler `fes_date_filter()` and re-introduced the `overlaps` and
`within` searches.

* Simpler `fes_date_filter()`.
* Update to latest pandas syntax.
* Fix `get_coops_metadata()` to comply with latest Coops SensorML changes.

* Added a new module for Quality Assurance and Quality Control `qaqc.py`:
`has_time_gaps()`, `is_monotonically_increasing()`, `is_flatline()`,
`is_spike()`, `threshold_series()`, `filter_spikes()`, and `tukey53H()`.
* Added `is_station()` for faster checks than`is_model()`.
* Several bug fixes (See https://github.com/ocefpaf/boston_light_swim/issues/5)
* Deprecate `sos_request()` in favor of `collector2table()` to get a list of
available stations in a `pyoos` `collector` object.
* Renamed `coops2df` to the more general `pyoos2df`
(downloads both Coops and NDBC).

* Parse HTML station names strings.
* Added `fetch_range()`, `show_qr()`,`get_nbviewer()`, `save_html()`,
`start_log()`, `apply_skill()`, and `filter_series()`.
* Added `TaylorDiagram()` class.