recommended update for quota

This recommended udpate for quota fixes the following issues:
fixes bnc#908846
- Properly run all systemd calls on services
- fix bashism in quotad_env.sh script
- Version bump to 4.02 release
* Mostly few trivial fixes including bnc#908846

Fixed bugs
bnc#908846
Failed to set quota: Integer overflow while interpreting decimal unit
Selected Binaries
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