Redhat/CentOS support, bug fix to tasks/printer_and_class_install.yml

[MichaelChristopherson]

Modified package lists for yum or apt repositories
modified: defaults/main.yml

Made tasklist for apt cups install process
new file: tasks/apt_cups_install.yml

Moved cups_pre_install.yml to apt specific tasklist
copied: tasks/cups_pre_install.yml -> tasks/apt_pre_install_packages.yml

Added when statements to remove expect packages only affect Debian/Ubuntu
modified: tasks/cups_cleanup.yml

Added three ... at end for proper yml formatting (small thing I do - Helps me make sure I have looked over every file)
modified: tasks/cups_configure.yml

Added includes for yml files for different distributions
modified: tasks/cups_install.yml

Added three ... at end for proper yml formatting (small thing I do - Helps me make sure I have looked over every file)
modified: tasks/cups_install_lpd.yml

Added three ... at end for proper yml formatting (small thing I do - Helps me make sure I have looked over every file)
modified: tasks/cups_install_ssl_cert.yml

Added includes for yml files for different distributions
modified: tasks/cups_pre_install.yml

Added three ... at end for proper yml formatting (small thing I do - Helps me make sure I have looked over every file)
modified: tasks/main.yml

Added three ... at end for proper yml formatting (small thing I do - Helps me make sure I have looked over every file)
modified: tasks/ppd_hp.yml

Added when statements to only affect Debian/Ubuntu when needed
modified: tasks/ppd_install.yml

Added three ... at end for proper yml formatting (small thing I do - Helps me make sure I have looked over every file)
modified: tasks/ppd_ricoh.yml

Ran into an issue where when attempting to assign a specific ppd it was not happening correctly. cups_lpadmin.py had driver and model assigned correctly but the call of the module was not assigning exactly correctly for my use case. I dont believe this should break a ubuntu/Debian installation
modified: tasks/printer_and_class_install.yml

Added process to install cups packages for yum based distros
new file: tasks/yum_cups_install.yml

Added process to install pre_install packages for yum based distros (currently none in use)
new file: tasks/yum_pre_install_packages.yml

Added three ... at end for proper yml formatting (small thing I do - Helps me make sure I have looked over every file)
modified: tests/test-simple-playbook.yml

[MichaelChristopherson]

Need to add an additional Test to Travis-CI for CentOS boxes. I currently dont have any experience with Travis so I may mess around with that in the near future.