message: Updated docs with the max asset quantity logic
diff: @@ -54,7 +54,7 @@ Possible Stateful Validation Errors
  "1", "Could not add asset quantity", "Internal error happened", "Try again or contact developers"
  "2", "No such permissions", "Command's creator does not have permission to add asset quantity", "Grant the necessary permission"
  "3", "No such asset", "Cannot find asset with such name or such precision", "Make sure asset id and precision are correct"
  - "4", "Summation overflow", "Resulting amount of asset is greater than the system can support", "Make sure that resulting amount is less than 2^(256 - precision)"
  + "4", "Summation overflow", "Resulting asset quantity is greater than the system can support", "Make sure that resulting quantity is less than 2^256 / 10^asset_precision"
  Add peer
  --------
  @@ -830,7 +830,7 @@ Possible Stateful Validation Errors
  "4", "No such destination account", "Cannot find account with such id to transfer money to", "Make sure destination account id is correct"
  "5", "No such asset found", "Cannot find such asset", "Make sure asset name and precision are correct"
  "6", "Not enough balance", "Source account's balance is too low to perform the operation", "Add asset to account or choose lower value to subtract"
  - "7", "Too much asset to transfer", "Resulting value of asset amount overflows destination account's amount", "Make sure final value is less than 2^(256 - precision)"
  + "7", "Too much asset to transfer", "Resulting asset quantity of destination account would exceed the allowed maximum", "Make sure that the final destination value is less than 2^256 / 10^asset_precision"
  .. [#f1] https://www.ietf.org/rfc/rfc1035.txt
  .. [#f2] https://www.ietf.org/rfc/rfc1123.txt
  