[WIP] security : add more tests

[shjala]

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Add a few more security test, overall :

• check if kernel module signing is enabled.
• check if there are any unconfined processes running on the system.
• check if the umask is set to 077.
• check if there are any hidden executables on the system.
• check if core dumps are disabled.
• check if there are any processes running as root.
• check if AppArmor is enabled.
• check if the mount options for proc and tmpfs types are secure.
• check if the tmpfs mounts are secure.

[shjala]

@uncleDecart a bunch of these tests are going to fail until we fix eve, should we disable sec test suit or it is OK if the fail?

[uncleDecart]

@uncleDecart a bunch of these tests are going to fail until we fix eve, should we disable sec test suit or it is OK if the fail?

@shjala I think it's better to fix tests on EVE. We can rebase EVE test version after that.