As held today
As held today

Merge branch 'master' of https://github.com/rolandkrause/isb101

# Conflicts:
#	R/01_r_intro.Rmd

rolandkrause/isb101,rolandkrause/isb101,rolandkrause/isb101,rolandkrause/isb101,rolandkrause/isb101