gipy: removing jit

segfaults with the jit so i removed it.
perfs are still ok due to the use of transformVertices instead
i would have like to have both though :-(

my guess is the segfaults are not really jit related but related to the
size of the code in memory.

apps/gipy/ChangeLog

@@ -95,4 +95,6 @@
 	* Turn screen off while idling to save battery (with setting)
 	* New setting : disable buzz on turns
 	* New setting : turn bluetooth off to save battery
+	* New setting : power screen off between points to save battery
 	* Color change for lost direction (now purple)
+	* Adaptive screen powersaving

apps/gipy/TODO

@@ -37,9 +37,6 @@ my conclusion is that:
 **************************
 
 + when you walk the direction still has a tendency to shift
-+ don't do the new powersave if you walk ?
-+ can we turn lcd off without locking ?
-+ function Graphics.transformVertices  
 
 + put back foot only ways
 + try fiddling with jit