Unofficial manuals for 12 and 15

[swarfendor437]

12 pdf

https://app.box.com/s/71wn2fird2nee6un8t206ugm6mzui9hr

15pdf version

https://app.box.com/s/sp7uzb7r2o731g7jkn6tcb8gxvtz6gvy

15 LibreOffice.odt version

https://app.box.com/s/7bcbwkdwits36q8ilkgmsz0jbleoy27w