Moved SLOPE to before LINEAR, just in case any apps rely on the first

breakpoint table being LINEAR+1 (unlikely, but possible).  This also
deliberately breaks any apps that haven't converted to using constants
defined in the generated menu*.h files.

src/bpt/menuConvert.dbd

@@ -1,7 +1,7 @@
 menu(menuConvert) {
 	choice(menuConvertNO_CONVERSION,"NO CONVERSION")
-	choice(menuConvertLINEAR,"LINEAR")
 	choice(menuConvertSLOPE,"SLOPE")
+	choice(menuConvertLINEAR,"LINEAR")
 	choice(menuConverttypeKdegF,"typeKdegF")
 	choice(menuConverttypeKdegC,"typeKdegC")
 	choice(menuConverttypeJdegF,"typeJdegF")