add presence validations for image sound pairs
Updating gitignore file, removing DS_Store and rvmrc
Merge branch 'master' of github.com:agau4779/LanguageExperiment
Merge branch 'master' of github.com:agau4779/LanguageExperiment into training_testing
Merge branch 'training_testing' of github.com:agau4779/LanguageExperiment
Testing - Added javascript, scss, view, routes
Merge branch 'master' of github.com:agau4779/LanguageExperiment into training_testing