Add error logging lines to unicorn file

unicorn.rb

 worker_processes 1
 working_directory '/var/www/html/ucommscheduler.unl.edu'
 pid '/var/www/html/ucommscheduler.unl.edu/ucommscheduler.pid'
+stderr_path '/var/www/html/ucommscheduler.unl.edu/error.log'
+stdout_path '/var/www/html/ucommscheduler.unl.edu/error.log'
\ No newline at end of file