Housekeeping

Added .gitignore and __init__.py file.
Renamed repo to remove hyphens.
Added 3rd party software license info.
Created unit tests for generating time axis.

Module will convert a month delta to a number of days delta.
The implementation is not complete, just the unit tests, which obviously fail.
Created implementation for generating day deltas

Makes the unit tests pass.
Created test suite for 1D data generation

Will test creating a 1D netcdf file.
Added 1D data generation.

Creates a netCDF4 file with a time variable, and a random variable
which can be plotted against time.
Merge pull request #2 from Andrew-Dunn/generate1D

Generate 1-Dimensional sample data.