Check if either kml or kmz files exist.

See merge request !22

We are saving run1 object and not run.

See merge request !20

renamed the function and output names and put in missing packages for functions used

See merge request !19

Save samplepoints

See merge request !18

adjusted docu and implemented new flag in writeOutSamples.r; default output format is shape; use output_format = 'geojson' for geojson output

the functions from save_files.r are now used in outer_procedure.r

See merge request !17

fixes issue#27

Closes #27

See merge request !16

checks now only for .tif files which begin with step_* and compares them to the .png files; message for the user adjusted

checks now only for .tif files which begin with step_*; no longer generate kmz files, but the unzipped version consisting of a kml and a png because plot_results.r checks now for png and no longer for kmz

Issue#3

See merge request !14

changes in the documentation due to new probability map threshold and legend

See merge request !15

changed the links to the pictures under 3.2 and 4.1.1 because of a new directory (/figure-markdown_github instead of /figure-gfm)