add new rule accounts_password_pam_pwquality_conf_retry

[vojtapolasek]

Description:

• move rules which are mostly using pam_pwquality to separate group
• create a new group for rules which strictly use /etc/security/pwquality.conf, this is owned by libpwquality
• extend the key_value_pair_in_file template to support using XCCDF variable as a value source
• update relevant macros

Rationale:

• new rule

Review Hints:

• add the rule accounts_password_pam_pwquality_conf_retry to some profile and run automatus tests

[codeclimate]

Code Climate has analyzed commit b42acc5 and detected 3 issues on this pull request.

Here's the issue category breakdown:

Category	Count
Duplication	2
Style	1

The test coverage on the diff in this pull request is 100.0% (50% is the threshold).

This pull request will bring the total coverage in the repository to 61.9% (0.0% change).

View more on Code Climate.