changing species affects all subtrees
Merge branch 'master' of https://github.com/Swarthmore/litterfall

Conflicts:
	html/main.js
added "return to plot" button
added "export to excel" button that doesn't actually do anything yet
added php script which will eventually allow exporting to excel
Merge branch 'master' of https://github.com/Swarthmore/litterfall

Conflicts:
	html/main.js
	html/templates/update2.html