Don't do feature tracking

Allow pkg providers to fail if they use comparison operators when they
are not supported.
Enclose pkg targets in quotes (yumpkg5)

This will prevent salt from redirecting output if comparison operators
are used in version specifications.
Enclose pkg targets in quotes (apt)

This will prevent salt from redirecting output if comparison operators
are used in version specifications.
Merge pull request #3541 from archtaku/issue3278

Don't throw error when comparison operators are used if they aren't supported