Fix LP#719741. Save dialog should force file name extensions
Refactor file extension replacing.
Force an extension when saving if one not provided
Set ICC profile and density units for JPEG files

ICC supprt is in gdk-pixbuf 2.26.4 (https://bugzilla.gnome.org/show_bug.cgi?id=604610)
Density support in gdk-pixbuf is bug https://bugzilla.gnome.org/show_bug.cgi?id=701622 (not yet accepted)
Set ICC profile and density units for JPEG files
  
ICC supprt is in gdk-pixbuf 2.26.4 (https://bugzilla.gnome.org/show_bug.cgi?id=604610)
Density support in gdk-pixbuf is bug https://bugzilla.gnome.org/show_bug.cgi?id=701622 (not yet accepted)
Use gdk-pixbuf for JPEG images in PDF files
Use gdk-pixbuf for JPEG images in PDF files
Add JPEG quality settings
Add JPEG quality settings
Remove debugging
Releasing 3.9.2
Hide C warnings, compile with Vala debugging information