homework 1(b)

Few changes from previous commit. Notably: mainwindow.cpp
homework 1 - adding doxygen syntax
Revert "homework 1 - adding doxygen syntax"

This reverts commit aca10349ded98d715cc618dd274668fe96b31015.
Revert aca1034..f62b8d1

This rolls back to commit aca10349ded98d715cc618dd274668fe96b31015.
Homwork 1

Homework with slots / signals and added Doxygen Documentation
Homework1

Homework1 / Project1 with all doxygen files
Homework 1

All files including Doxygen included