make sourceView basic functionality
Merge branch 'master' of https://github.com/Swarthmore/VisualizingTranslations into sourceView
Merge branch 'sourceView'
Merge branch 'master' of https://github.com/Swarthmore/VisualizingTranslations
Merge branch 'master' of https://github.com/Swarthmore/VisualizingTranslations