adding comments to explain behavior reported in #673
adding comments to explain behavior reported in #673

Conflicts:
	app/js/arethusa.morph/morph.js
	spec/helpers/arethusa_mocks.js

fbaumgardt/arethusa,latin-language-toolkit/arethusa,latin-language-toolkit/arethusa,alpheios-project/arethusa,alpheios-project/arethusa,fbaumgardt/arethusa,fbaumgardt/arethusa,alpheios-project/arethusa