Merge #8038: [qa, doc] Various minor fixes

fa83a5d [qa] wallet: Temporarily disable salvagewallet test (MarcoFalke)
fadd048 [doc] Link to clang-format in the developer notes (MarcoFalke)
fa72f7d [doc] Remove outdated line from listunspent RPC help, fix typo (MarcoFalke)
ac40ed7 Increase timeout waiting for pruned blk00000.dat (error10)

qa/rpc-tests/pruning.py

@@ -75,7 +75,7 @@ class PruneTest(BitcoinTestFramework):
         waitstart = time.time()
         while os.path.isfile(self.prunedir+"blk00000.dat"):
             time.sleep(0.1)
-            if time.time() - waitstart > 10:
+            if time.time() - waitstart > 30:
                 raise AssertionError("blk00000.dat not pruned when it should be")
 
         print("Success")

qa/rpc-tests/wallet.py

@@ -306,7 +306,7 @@ class WalletTest (BitcoinTestFramework):
         # Check that the txid and balance is found by node1
         self.nodes[1].gettransaction(cbTxId)
 
-        #check if wallet or blochchain maintenance changes the balance
+        # check if wallet or blockchain maintenance changes the balance
         self.sync_all()
         blocks = self.nodes[0].generate(2)
         self.sync_all()
@@ -318,7 +318,8 @@ class WalletTest (BitcoinTestFramework):
             '-reindex',
             '-zapwallettxes=1',
             '-zapwallettxes=2',
-            '-salvagewallet',
+            # disabled until issue is fixed: https://github.com/bitcoin/bitcoin/issues/7463
+            # '-salvagewallet',
         ]
         for m in maintenance:
             print("check " + m)
@@ -338,4 +339,4 @@ class WalletTest (BitcoinTestFramework):
         assert_equal(len(self.nodes[0].listsinceblock(blocks[1])["transactions"]), 0)
 
 if __name__ == '__main__':
-    WalletTest ().main ()
+    WalletTest().main()