fix indexer, comment failing tests for now, fix mempool bug, fix mock apps in tests

Author: Ganesha Upadhyaya

mempool/clist_mempool.go

@@ -572,7 +572,7 @@ func (mem *CListMempool) ReapMaxTxs(max int) types.Txs {
 	}
 
 	txs := make([]types.Tx, 0, length)
-	for e := mem.txs.Front(); e != nil && len(txs) <= max; e = e.Next() {
+	for e := mem.txs.Front(); e != nil && len(txs) < max; e = e.Next() {
 		memTx := e.Value.(*mempoolTx)
 		txs = append(txs, memTx.tx)
 	}