a list with the full paths of all
BEAST2 example filenames
Arguments
beast2_folder
the folder where the BEAST2 is installed.
Note that this is not the folder where the BEAST2 executable
is installed: the BEAST2 executable is in a subfolder.
Use get_default_beast2_folder to get the default BEAST2
folder.
Use get_default_beast2_bin_path to get the full path to
the default BEAST2 executable.