[Fixes part 2 of bug #671500] Always follow the extension rather than the file type drop down
[Fixes part 2 of bug #671500] Always follow the extension rather than the file type drop down

ie: if the user chooses to save a "jpeg" as "foo.png", we are going to assume they just didn't update the dropdown and really want png.

Fenex/Pinta,Mailaender/Pinta,jakeclawson/Pinta,Mailaender/Pinta,PintaProject/Pinta,PintaProject/Pinta,jakeclawson/Pinta,Fenex/Pinta,PintaProject/Pinta