sampsapursiainen/zeffiro_interface: July2021_b

16 Jul, Gaussian Mixture Model app v2: menu bar for advanced plot options, import and export; time serie parameters from reconstruction information added to GMM structure; button to plot relative (among GMM's dipole estimations) amplitudes as histograms. 16 Jul, FindSyntheticSource: code updated to obey App Designer new conventions. 28 Jul, Beamformer: second (experimental) leadfield regularization removed. 28 Jul, Gaussian Mixture Model app v2: ability to save time variables from reconstruction information and amplitudes