Removed new line, which is removed automatically by Dymola 2015.
Corrected wrong assignment of convection models in examples.

This is for #222.
Added dummy argument to function call.

This is for #222.
Changed comparison between integer and enumeration.

This is for #222.
Added enumeration to integer conversion.

This is for #222.
Added dummy argument to Internal.solve()

This is for #222.
Added constant prefix.

This is for #222.
Updated reference results.
Merge pull request #224 from lbl-srg/issue222_dymola2015

Issue222 dymola2015