Mixed naming of central and peripheral in examples

[mklemarczyk]

Fixed the names and comments to not confuse the users.

The BLE central can start connection to peripheral, not vice versa.

The most confusing one was that we wait for peripherals to connect, and next comment name the variable that it is central. :)

  // listen for Bluetooth® Low Energy peripherals to connect:
  BLEDevice central = BLE.central();

[mklemarczyk]

What I can do to accelerate approval of that PR ?

[mklemarczyk]

@facchinm You do not want this change? There are several PRs waiting, and no comment or merged.

[mklemarczyk]

Bump, any answer on the integration ? I wonder why it takes so long...

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