CYB-243, deploy script needs validations and Thor task
CYB-245 Remove students controller

 * unused code, cleanup
 * intended functionality now found elsewhere
 * removes students controller and its spec

https://jira.ets.berkeley.edu/jira/browse/CYB-245
Merge pull request #140 from coyote/remove_student_controller

CYB-245 Remove students controller
CYB-243, deploy script fails if marker file cannot be created
Merge pull request #138 from johncrossman/CYB-243

CYB-243, deploy script needs validations and Thor task.  One Travis is green.