Stubs MEP-002; introducing CurveZMQ.

This should be picked up by the original proposer aka Otto Allmendinger.
Use more stern language, add some links.
MEP-002: fix issues found by @teknico, @murrekatt
MEP-002: move to content/mep/
MEP-002: add comparison to TLS, dependency stuff
MEP-002: remove vertical lines

for our brothers and sisters with limited vertical space
MEP-002: fix heading levels

my resistance to strict hierarchy is showing
MEP-002: libsodium doesn't provide everything

like RIPEMD-160
Update mep-002.md
add rendering metadata
Update mep-002.md
Remove zero-padding from MEP number
Update mep-002.md

change status to "accepted"
Merge pull request #115 from monetas/mep-002

MEP-2: Use CurveZMQ instead of custom crypto