dprintify unadorned printf
Handle shift keys in Nocturn
Added jump button column to KeyMappings
Added jump_button to keymap structure and glade load
Removed unused widget parameter from mapped_key()
Added jump button search mode to keymaps search
Broke out common parts of mapped_key() to new function
Added jump button support

* Pressing LEARN + keys to right jumps to parameter pages.
* Pressing LEARN + top row buttons jumps to modules on parameter page.
* Module and page numbers are specified in KeyMappings liststore