Updating sections 1 and 2
Merge branch 'master' of github.com:naupaka/esa_vegan

Conflicts:
	01-intro-basics/intro-basics.html
	01-intro-basics/intro-basics_files/figure-html/beta 3.png
	01-intro-basics/intro-basics_files/figure-html/beta 4.png
	01-intro-basics/intro-basics_files/figure-html/beta 6.png
	01-intro-basics/intro-basics_files/figure-html/rarefac 3.png
	01-intro-basics/intro-basics_files/figure-html/rarefac 4.png
	01-intro-basics/intro-basics_files/ioslides-13.5.1/theme/css/default.css