Fork on 1-Wire library with ability to use internal AVR (including arduino) pull-up resistor.
No external pull-up resistor required on a board for 1-wire devices as a result.
Details here http://wp.josh.com/2014/06/23/no-external-pull-up-needed-for-ds18b20-temp-sensor/
To activate internal pull-up specify
#define ONEWIRE_INTERNAL_PULLUP 1