Gfpy

adjustment to Met_data.read_TinyTag, to be compatible with changed TinyTag raw format

New functions:
- Ocean.present_dict: presents the contents of a large dictionary in readable form
- Ocean.read_mooring: can read .mat and .npy mooring data
New functionality:
- Ocean.read_CTD can now read .npy files

Added
- function to create an empty map
- function to read thermosalinograph

New capabilities:
- can now choose interpolation method in CTD section plots
- read_miniCTD now reads time if available
- CTD map plot uses a smart way of placing station labels
- mapping functions can now handle nc, mat, and npy topography files, as well as topography arrays as input
- plot_CTD_station can now be used to plot several stations in the same plot

Minor bugfixes