revert later: make opener->funder so BOLT checks pass

Author: niftynei

03-transactions.md

@@ -930,7 +930,7 @@ The resulting funding transaction is:
 
 In the following:
  - *local* transactions are considered, which implies that all payments to *local* are delayed.
- - It's assumed that *local* is the funder.
+ - It's assumed that *local* is the opener.
  - Private keys are displayed as 32 bytes plus a trailing 1 (Bitcoin's convention for "compressed" private keys, i.e. keys for which the public key is compressed).
  - Transaction signatures are all deterministic, using RFC6979 (using HMAC-SHA256).