feat(report) : Differences between vulnerability patched items (futur…

…e-architect#1157)

* add plusDiff() and minusDiff()
* add plusDiff minusDiff test

Co-authored-by: Kota Kanbe <[email protected]>

fix(scan): warning if lsof command not found (future-architect#1167)

Merge branch 'master' of github.com:future-architect/vuls

Merge branch 'master' of github.com:future-architect/vuls

fix(saas) change saas upload s3 key (future-architect#1116)

fix(scan): skip wordpress scan for preudo servers (future-architect#1142

)

fix(config): err occurs when host not set in local-scan-mode (future-…

…architect#1129)

If host is not set in local scan mode, an error occurs.

chore: go mod update (future-architect#1125)

Improve implementation around config (future-architect#1122)

* refactor config

* fix saas config

* feat(config): scanmodule for each server in config.toml

* feat(config): enable to specify containersOnly in config.toml

* add new keys of config.toml to discover.go

* fix summary output, logging

chore(report): remove stride and hipchat support (future-architect#1104)