Exports the data in the selected figure to a text file.

Update to BE Processing notebook with loop results plotting.
Added needed function to plot_utils and be_viz_utils for new plots.

New stdevs option, None.  Uses data limits instead of calculating based on mean and standard deviations.
Changed default stdevs to None.

The text field is wider now to accomodate longer filenames.

Added save_fig_filebox_button function to plot_utils.py.  Allows users to save a figure from a jupyter notebook to a specified filename.

Updated the single_img_cbar_plot to add colorbars that 'should' adjust when the parent axis is resized.
Updated the interactive plotting functions to use single_img_cbar_plot rather than plot_map
Added updating titles to map plots 

Users can now specify colorbar label in plot_map_stack function

Fixed the plot cluster results together function as well

Fixed the plot cluster results together function as well

Handling a deprecated function call in plot_map_stack. UNTESTED. Needs a more elegant solution when the function is finally removed

Handling a deprecated function call in plot_map_stack. UNTESTED. Needs a more elegant solution when the function is finally removed

Removed import of the unicode_literal for all files. This will be added back only when h5py is fixed.

Importing all necessary functions to ensure python 3 compatibility for all notebooks and package files.
Note - Extensive testing is pending