Ulmo

- added modules for getting LCRA hydromet and water quality data
- fixed waterml parser bug that was affecting USGS NWIS data when
parameter data collected using multiple methods exist (e.g. water level
measured with RADAR and pressure transducer) through use of optional 'method'
kwarg
- fixed ncdc.ghcn.get_stations() failing tests with pandas==0.17.0

- packaging fixes. 0.8.0 does not install correctly from pypi.

- python 3 compatibility. ulmo is now compatible py python 2.7 and python 3.4.
- ulmo is now being tested on Windows/Linux/MacOSX using AppVeyor and Travis CI.
- the ioos conda channel is now the supported way to get ulmo.
- added conda environment yaml files to make it easier to set up a development environment.

- no changes, had to bump version number because of a corrupt file uploaded to pypi.

- dropped python 2.6 support
- fixed bug in extracting raster file from zip file on windows
- fixes for cdec service
- fix url_params kwarg typo for nwis service

- fixed ncdc.gsod services to use new station list over depreciated list (thanks Victor)
- added USGS National Elevation Dataset (NED) raster service
- added USGS Earth Resources Observation Systems (EROS) raster services
- allow passthrough of extra kwargs for USGS NWIS services