v0.7.5

[rafalkowalewski1]

• Automatic picking of fiducials added in Render: Tools/Pick fiducials
• Undrifting from picked moved from picasso/gui/render to picasso/postprocess
• Plugin docs update
• Filter histogram display fixed for datasets with low variance (bug fix)
• AIM undrifting works now if the first frames of localizations are filtered out (bug fix)
• 2D drift plot in Render inverts y axis to match the rendered localizations
• 3D animation fixed
• Other minor bug fixes