Add function to fetch data for all time frames
Merge branch 'master' of https://github.com/enram/bird-migration-flow-visualization
Use of temp variable for calculation of interpolation and in end (quick) switch with real variable + reduced max_task_time for batch interpolation so that drawing has more time --> no more lag/interruptions in animation
Merge branch 'master' of https://github.com/enram/bird-migration-flow-visualization