D-thrizzle
change graph on journal entry show page to pie chart and allow user to see highlights on the arc on mouseenter, also have the server send json to js
add function to the keywords sentiment graph to show positive, neutral and negative keywords, allow users to click on the graph's arcs and view the keywords and their sentiment scores accordingly; on hover the graph will display the number of keywords in an arc
Merge branch 'master' into D-thrizzle

Conflicts:
	app/assets/stylesheets/journal_entries.css.scss
Merge branch 'D-thrizzle'