* add chart for deploying private ethereum network. closes#2088.
* fix: update readme. add privatekey for default account to fund
* fix: add private key to values. import-geth-account to geth nodes
* fix: decrease difficulty of network. increase gas limit, allow remote connections to geth-tx
* fix: make difficulty/gasLimit configurable. use versioned ethstats image
* fix: use component labels
* fix: remove LICENSE
* fix: as per code review, remove keys
* docs: add documentation on creating a new geth account
* fix: clarify documentation on creating a new account
* add custom test values.yaml
* move chart to stable
* use latest _helpers
