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

small print.hpp doc fix

According to @nathanhourt

updated with doxygen and require_subcommand for wallet.

update eosc tutorial doxygen to match the latest eosc

Remove eos-walletd, custom wallet port and language cleanup

Small print.hpp documentation update

* Remove eos-walletd and custom port from README.md
* Language fixes

eos-walletd update + info on programs in build/programs folder

Add wallet reference to the README
Add list of programs available after building

Add wallet reference to the README
Add list of programs available after building

Add wallet reference to the README
Add list of programs available after building

Add wallet reference to the README
Add list of programs available after building

Add wallet reference to the README
Add list of programs available after building

Add wallet reference to the README
Add list of programs available after building

Cleaning up the BINARYEN how-to

Improve interactions with eosc

- wallet no longer overwrites when re-creating
- adding password prompt so it isn't logged in history #315
- fix type-o in contract dox
- provide feedback on successful wallet commands
- added default "wallet name" to wallet args so it can be skipped
- adding args to change wallet host/port as well as eosd host
- adding ability to run wallet_api_plugin to eosd
- started pretty printing of account history
- adding missing fc/src/io/console.cpp to CMakeList

purger of entries in the local transaction cache. Ref #291 #318

Enhance eosc and eosd API