added some ideas to ajax_calls.js in public folder
Merge branch 'master' of https://github.com/whyu/wdi_project_2 into development
Merge branch 'master' of https://github.com/whyu/wdi_project_2 into development
Merge branch 'master' of https://github.com/whyu/wdi_project_2 into development
changed departure_time column data type
Merge branch 'master' of https://github.com/whyu/wdi_project_2 into development