Rename project to oxitopped - phase 1

As it appears Pyinstaller finds having a project containing multiple
utilities, one of which is named after the package ... confusing
Rename project to oxitopped - phase 2

Rename the main module - all the content changes should have been done
under phase 1 ... let's see if this works ...
Fixed preservation of file handles for --daemon
Attempt to forward COM port to winbuild

For testing ... but it probably won't work looking at the docs ...
Add a gitignore for generated PNGs