MYNEWT-619 Splitty - Console does not output

The problem was a stack overflow.  The "task1" stack was only 32 words.
This wasn't enough for the logging that it performs.
diff --git a/apps/splitty/src/main.c b/apps/splitty/src/main.c
index 9bf5ca6..267b4bc 100755
--- a/apps/splitty/src/main.c
+++ b/apps/splitty/src/main.c
@@ -44,7 +44,7 @@
 
 /* Task 1 */
 #define TASK1_PRIO (8)
-#define TASK1_STACK_SIZE    OS_STACK_ALIGN(32)
+#define TASK1_STACK_SIZE    OS_STACK_ALIGN(128)
 #define MAX_CBMEM_BUF 300
 static struct os_task task1;
 static volatile int g_task1_loops;