Add Zonation tutorial data
Merge branch 'tutorial-data'

Conflicts:
	inst/extdata/zonation-tutorial
Re-add tutorial data
Remove tutorial data
Rere-add tutorial data
Rere-add tutorial data
Check passes
Check passes
Bump up the version number to 0.1.1
Bump up the version number to 0.1.1
Restructure and edit tutorial files

After the edits, tutorial settings files are not the same ones as in the official tutorial.
Restructure and edit tutorial files

After the edits, tutorial settings files are not the same ones as in the official tutorial.
Check Zonation executable availability + tests
Check Zonation executable availability + tests
Implement running Zonation and tests
Implement running Zonation and tests
Update tutorial files
Update tutorial files
Update documentation
Update documentation