Reencrypt cli

[jbsv]

• cleaned up the Actor interface to just keep the reencrypt.
• added a shell interface to be able to reencrypt a message through the CLI.

[coveralls]

Pull Request Test Coverage Report for Build 5398019495

• 195 of 213 (91.55%) changed or added relevant lines in 7 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage increased (+0.7%) to 98.743%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
dkg/pedersen/json/json.go	11	14	78.57%
dkg/pedersen/pedersen.go	72	75	96.0%
dkg/pedersen/controller/action.go	74	80	92.5%
dkg/pedersen/types/messages.go	8	14	57.14%
<!--	Total:	195	213	91.55%	-->

Files with Coverage Reduction	New Missed Lines	%
dkg/pedersen/pedersen.go	1	96.21%
<!--	Total:	1		-->

Totals
Change from base Build 5269351335:	0.7%
Covered Lines:	14611
Relevant Lines:	14797

---

💛 - Coveralls

[sonarcloud[bot]]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
3 Code Smells

89.3% Coverage
0.0% Duplication