Adds geomag to ion-functions dependencies
Merge pull request #3 from lukecampbell/master

Adds geomag to dependencies
Update README.md
Removes PSS78 constant

See PSS78 algorithm for details.
Merge pull request #4 from lukecampbell/fake_data

Removes PSS78 constant
Created file for CTD related functions
Further editting of ctd_functions.py
Finalized L2 CTD functions and test
Merge pull request #5 from cwingard/ctd-functions

Ctd functions
Including missing files
Merge pull request #6 from cwingard/ctd_func_2

Including missing files
Buildout 2.0