Fixes #5809: Add check to match line breaks in controller dependencies (#5833)
Fixes #5809: Add check to match line breaks in controller dependencies (#5833)

* add error print loop to the exit of js and css methods

* add repeated prints

* correct lint errors

* remove python checks

* fix missing list add

* change from error repeat to appear in result

* add indicative print before summary

* correct improper list name

* extend regex

souravbadami/oppia,souravbadami/oppia,souravbadami/oppia,prasanna08/oppia,prasanna08/oppia,souravbadami/oppia,brianrodri/oppia,souravbadami/oppia,oppia/oppia,brianrodri/oppia,oppia/oppia,kevinlee12/oppia,prasanna08/oppia,kevinlee12/oppia,kevinlee12/oppia,kevinlee12/oppia,brianrodri/oppia,oppia/oppia,kevinlee12/oppia,brianrodri/oppia,brianrodri/oppia,prasanna08/oppia,prasanna08/oppia,oppia/oppia,oppia/oppia