Separate libp2p and znv2

[mkg20001]

At the beginnig I thought putting both protos on the same port would be a good idea. How wrong I was.

ToDos:

• [x] Announce libp2p port in handshake and re-dial to it if found
• [x] Create 2 swarms on separate ports
• [x] Rewrite the handler to create protocol-buffer counterparts for the znv2 functions
• [x] Remove the hacks
• [ ] Finish the handlers
• [x] Add a meta-protocol for step 3
• [x] Re-add the protocol commands
• [x] Tests

[codecov[bot]]

Codecov Report

Merging #89 into master will decrease coverage by 1.89%. The diff coverage is 81.1%.

@@            Coverage Diff            @@
##           master      #89     +/-   ##
=========================================
- Coverage   52.31%   50.41%   -1.9%     
=========================================
  Files          54       53      -1     
  Lines        2294     2184    -110     
=========================================
- Hits         1200     1101     -99     
+ Misses       1094     1083     -11

Impacted Files	Coverage Δ
zeronet-zite/lib/file/stream.js	10.93% <ø> (+0.16%)	:arrow_up:
index.js	100% <ø> (ø)	:arrow_up:
bundle.js	96% <ø> (ø)	:arrow_up:
zeronet-protocol/lib/zero/peer-request-handler.js	82.14% <0%> (ø)
zeronet-swarm/lib/zero/nat/index.js	6.19% <0%> (ø)
zeronet-protocol/lib/zero/pack.js	100% <100%> (ø)
zeronet-protocol/lib/zero/index.js	100% <100%> (ø)
zeronet-swarm/lib/index.js	100% <100%> (ø)
zeronet-common/lib/verify/index.js	56.25% <100%> (+1.41%)	:arrow_up:
zeronet-client/lib/index.js	87.17% <100%> (+0.33%)	:arrow_up:
... and 25 more

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[mkg20001]

Things left todo:

• [x] Rewrite to use multiaddrs instead of peerInfo hacks for direct zn dials
• [x] Rewrite peer.js to use .dial cmd execution directly

[mkg20001]

Merge Time! :tada: