- simplify resolver and tests
- added missing test for KeyToUrl
- fix notice error message and its test with !%x(MISSING)
- natspec test: insertTx modified - does not prepend 0x to contract address
- disable networking in e2e test

- add resolver tests and fix resolver to pass
- statereg constructor fixed
- comments added to natspec plus docserver integration for natspec userdoc fetching

- statereg methods move to natspec/resolver/docserver
- fix failing test on invalid js input

fixed 2/3 tests

- constructor takes abidoc, userdoc
- json parsing of userdoc
- method found by abi data
- notice found from method

Makefile: for non-gophers

Merge branch 'rlp-size-validation' of https://github.com/fjl/go-ethereum into fjl-rlp-size-validation

Conflicts:
	eth/protocol.go

Fix p2p node key persistence

crypto.LoadECDSA has been modified to expect hex data.
The key was being saved as raw bytes, causing the file
to be rewritten on every start.