Remove limit when mounting /dev/shm

- So we can run Docker under bosh-lite
- Memory limits will be enforced by Warden via cgroups
- [#76756280]

Signed-off-by: Abhijit Hiremagalur <abhi@pivotallabs.com>
Allow tcp rules to be logged

[#73905126]

Signed-off-by: Luan Santos <lsantos@pivotal.io>