Added all of Section 9 Levels 1 & 2 from CIS Ubuntu 12.04 LTS Benchmark

https://benchmarks.cisecurity.org/tools2/ubuntu/CIS_Ubuntu_12.04_LTS_Server_Benchmark_v1.0.0.pdf
I don't actually agree.  These seem like a good enough pass at these variables.  If others want them changed I'd suggest they override them in a separate role that is applied after CIS.