* create ensureOkResponse and check against RPC responses
* Merge with develop branch
* added single unit test
* main nodes added
* getBalance method
* remove console.log
* minor conflict fix - readd polyfill to integration test
* added two more method tests
* seperate rpcnode from extended classes
* fixes etherscan
* added all tests
* revert files with only formatting changes
* remove console.logs - still need to update snapshot before tests will pass
* updated snapshot due to RpcNode fixes for Infura and Etherscan nodes
* added RpcNodeTest config so we don't rely on constants in code
* undo formatting changes
* Multiple fixes to error handling tokens.
* Fixed TSC errors
* Minor styling edit - change async func to promise
* changed shape of tokenBalances
* change balance type back to stricter TokenValue type
* remove package.json change and include test for error state.
* minor change removing unneeded line of code
* added longer timeout for api
* update snapshot
* Add tscheck command, add more stuff to prepush and precommit hooks, clean up travis output.
* Move tscheck to prepush, remove running tests entirely.
* Put tslint on prepush as well.
* Check in.
* Add read only wallet and new types for that. Convert some components to require full wallet.
* Fix readonly property, fix uncaught throw.
* Disable address only on some tabs.
* Use FullWalletOnly render callback to handle signing.
* Work around uncertain wallet type.
* Fix function args.
* Undo bug fix that should be done in another branch.
* Disable button while address is bad.
* Remove log.
* Convert anonymous functions to class functions.
* Change navigator.onLine to actually pinging the network. Refactor notifications to take Infinity instead of 'infinity'
* Stop polling when forced offline.
* Show spinners if unit display balance is null, show offline text if were actually offline.
* Fix issue with typescript and connected union-prop components.
* Only ping the node when navigator.onLine changes.
* Layed out components for custom nodes.
* Outline of custom nodes. Still missing various features and error handling.
* Persist custom nodes to local storage.
* Make custom nodes removable.
* Add latest block functions, call it when switching nodes.
* Initialize correct node, move node utils into utils file.
* Fix names
* Send headers along with rpc requests.
* Remove custom network options for now.
* PR feedback.
* One last log.
* Fix tests.
* Headers in batch too.
* Switch to node when you add it.
* Reduce hackery.
* Clean up linter and tsc.
* Fix latest block hex conversion.
* Unit tests.
* Fix missing property.
* Fix Modal title typing.
* Fetch all token rates at once. Add option for displaying all token values.
* Ensure spinner always shows before equivalent values are ready.
* Fix up test.