Resolves: rhbz#1919026 libpwquaily rpm requires cracklib to function but RPM missing requirement [updated]

Resolves: rhbz#1919026 libpwquaily rpm requires cracklib to function but RPM missing requirement

Translation updates
Add usersubstr check for substrings of N characters from the username
pam_pwquality: Abort the retry loop if user requests it
Allow setting retry, enforce_for_root, and local_users_only options

Fix an issue found in Coverity scan

Properly conditionalize the python buildrequires

Add conditionals for Python2 and Python3

Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild

Switch to %ldconfig_scriptlets

Python 2 binary package renamed to python2-pwquality

Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild

Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild

Do not try to check presence of too short username in password
Make the user name check optional (via usercheck option)
Add an 'enforcing' option to make the checks to be warning-only
The difok = 0 setting will disable all old password similarity
Updated translations from Zanata

Fix possible stack overflow in the generate function (#1255935)

Change the defaults for credits, difok, and minlen
Make the cracklib check optional but on by default
Add libpwquality API manual page

fix license handling (by Tom Callaway)
add Python3 module subpackage

fix problem with parsing the pam_pwquality options
updated translations from Transifex
treat empty user or password as NULL
move the library to /usr