Refactored Models/Commit constructors with parameter properties
Refactored Models/Commit constructors with parameter properties

Used parameter properties to reduce redundancy.

artivilla/desktop,kactus-io/kactus,shiftkey/desktop,kactus-io/kactus,artivilla/desktop,kactus-io/kactus,desktop/desktop,shiftkey/desktop,say25/desktop,shiftkey/desktop,kactus-io/kactus,say25/desktop,say25/desktop,j-f1/forked-desktop,desktop/desktop,say25/desktop,desktop/desktop,j-f1/forked-desktop,j-f1/forked-desktop,desktop/desktop,shiftkey/desktop,artivilla/desktop,j-f1/forked-desktop,artivilla/desktop