Modification of a Qt application

The User Interface for LIBPF (UIPF) is an open source Qt application that allows to interact with process models by controlling the LIBPF kernel, available on gitorious at the address: <[login to view URL]> All floating point numerical values corresponding to physical quantities are internally stored in SI units, and currently also display and input is in SI units only as well; the scope of this project is add to UIPF support for input and output with different units of measurements, plugging the two already existing UnitField controls in the relevant tables and controls. The size of the impacted source code is about 3300 SLOC (sloccount) over a total 8600. More details in the attached requirement document.