added data points; does not refresh
added nodes with refresh
added basic functionality
Merge branch 'master' into feature-view-graph-user-interaction
added proximity hover trigger to graph nodes
getting the trends data
Merge pull request #32 from elyotli/separating-news-sources-into-classes

Separating news sources into classes
merged master
Merge pull request #33 from elyotli/google-trend-analysis-cont

Google trend analysis cont
Merge branch 'master' into feature-view-graph-user-interaction
Merge pull request #34 from elyotli/feature-view-graph-user-interaction

Feature view graph user interaction
All news source API classes are working
fixing local merge conflicts