Remove swap files
Adds buildout (pray it works)
Fixes buildout
Adds LICENCE and fills in README
Updates names
Update README.md
Moved ipython dep from buildout to setup
Adds initial set of functions

Adds some QC functions and a placeholder for a "data" function (data_density)

All functions should be accessible as imports from ion_functions (i.e. from ion_functions import dataqc_spiketest )
Updates buildout and ipython entry-point
Adds nose scripts
Merge pull request #1 from blazetopher/initial_functions

Adds initial set of functions
Adds nosetests script
Updates test paths
Fills data_density function; updates tests
Adds pygsw to setup.py
Adds ctd_l2_density
Adds L2_salinity