- Add Table of contents for README.md

Replace utilities::assemble_wasm with chain::wast_to_wasm

Revise star diagram per Phil's explanation.

Update eosc doxygen guide 

Fix deployment of compiled smart contracts to /build directory rather than sources

fixed issue 310, duplicate info of producer_chain

Integration test update

* Copy .abi files to build folder for smart contracts
* Update README.md to reflect the change

Integration test

Updates for SDK

Add a new Set_Code macro for setting accounts' code in test cases

Add a function to assemble wast to wasm to the utilities library,
so we can have a single definition of this function that everything
else can use

Update eosc doxygen guide

Typos fixes in README.md

GitHub usage process

Add network topology diagrams

Add network topology diagrams, including graphviz source and a script to
regenerate them.  Integrate into testnet markdown documentation.

Add Access-Control-Allow-Origin to http