Minor update v4.6: Simulation browser redesigned

Added

• gui/browser: support for displaying folders and subfolders
• gui/browser: folders for simulations and genomes are automatically created by parsing their names for /
• gui/browser: allow uploading to a selected folder
• gui/browser: show number of simulations per folder

Changed

• gui/browser: tree view instead of a pure tabular view
• gui/browser: simulations and genomes can be selected for user actions (e.g. deletion)

Removed

• gui/browser: column for actions removed