Added all Section 4 Level 1 & Level 2

https://benchmarks.cisecurity.org/tools2/ubuntu/CIS_Ubuntu_12.04_LTS_Server_Benchmark_v1.0.0.pdf
Line 19 of section_04_level2.yml

   shell: sed -i -e 's/apparmor=0\s*//g' /boot/grub/menu.lst