Merge PR #1950: Validator.Owner -> .Operator

* Rename --address-validator flag to --validator

See #1901

* Update PENDING.md

* Rename Validator.Owner -> Validator.Operator

See #1901

cmd/gaia/app/genesis.go

@@ -202,8 +202,8 @@ func GaiaAppGenState(cdc *wire.Codec, appGenTxs []json.RawMessage) (genesisState
 
 			// create the self-delegation from the issuedDelShares
 			delegation := stake.Delegation{
-				DelegatorAddr: validator.Owner,
-				ValidatorAddr: validator.Owner,
+				DelegatorAddr: validator.Operator,
+				ValidatorAddr: validator.Operator,
 				Shares:        issuedDelShares,
 				Height:        0,
 			}

cmd/gaia/cli_test/cli_test.go

@@ -131,13 +131,13 @@ func TestGaiaCLICreateValidator(t *testing.T) {
 	require.Equal(t, int64(8), barAcc.GetCoins().AmountOf("steak").Int64(), "%v", barAcc)
 
 	validator := executeGetValidator(t, fmt.Sprintf("gaiacli stake validator %s --output=json %v", barAddr, flags))
-	require.Equal(t, validator.Owner, barAddr)
+	require.Equal(t, validator.Operator, barAddr)
 	require.True(sdk.DecEq(t, sdk.NewDec(2), validator.Tokens))
 
 	// unbond a single share
 	unbondStr := fmt.Sprintf("gaiacli stake unbond begin %v", flags)
 	unbondStr += fmt.Sprintf(" --from=%s", "bar")
-	unbondStr += fmt.Sprintf(" --address-validator=%s", barAddr)
+	unbondStr += fmt.Sprintf(" --validator=%s", barAddr)
 	unbondStr += fmt.Sprintf(" --shares-amount=%v", "1")
 
 	success := executeWrite(t, unbondStr, app.DefaultKeyPass)