#313 make projects remember open files/cursor position

[Charles N. Burns]

When a project is opened in Dev-C++, the user gets a
blank screen with a list of files on the left. It would
be an improvement, I believe, for project files to
remember which files in a project are open, which
one(s) were being viewed at the time the project was
saved, and the cursor positions of each file.
This way, when a project is opened, the file that the
user was working on would be immediately visible, the
particular chunk of code they were working on would be
"highlighted" by the fact that the cursor is blinking
right there (very nice for large files), and the other
files they were working on would already be open in the
MDI (and possible sharing space, as was done when the
file was saved).
Microsoft's Visual Studio can be used as an example of
this behavior.