message: Make `README.md` a little easier on the eyes
diff: @@ -7,7 +7,7 @@ This is the core application for the CasperLabs blockchain.
  To run a validator node with the [local configuration options](resources/local/config.toml):
  ```
  -cargo run --release -- validator -c=resources/local/config.toml
  +cargo run --release -- validator --config resources/local/config.toml
  ```
  It is likely that the configuration requires editing however, so typically one will want to generate a configuration
  @@ -16,7 +16,7 @@ file first, edit it and then run:
  ```
  cargo run --release -- generate-config > config.toml
  # ... edit config.toml
  -cargo run --release -- validator -c=config.toml
  +cargo run --release -- validator --config config.toml
  ```
  Note that all paths specified in the config file must be absolute paths or relative to the config file itself. Paths
  @@ -27,7 +27,7 @@ of `-C=<SECTION>.<KEY>=<VALUE>`. These will override values set in a config fil
  default values otherwise.
  ```
  -cargo run --release -- validator -c=resources/local/config.toml -C=consensus.secret_key_path=secret_keys/node-1.pem
  +cargo run --release -- validator --config resources/local/config.toml -C consensus.secret_key_path=secret_keys/node-1.pem
  ```
  **NOTE:** If you want to run multiple instances on the same machine, ensure you modify the `[storage.path]` field of
  @@ -42,7 +42,7 @@ Logging can be enabled by setting the environment variable `RUST_LOG`. This can
  from lowest priority to highest: `trace`, `debug`, `info`, `warn`, `error`:
  ```
  -RUST_LOG=info cargo run --release -- validator -c=resources/local/config.toml
  +RUST_LOG=info cargo run --release -- validator --config resources/local/config.toml
  ```
  If the environment variable is unset, it is equivalent to setting `RUST_LOG=error`.
  