FL-819 new first start screen, add multiline text (#318)

* GUI Canvas: get current font height routine
* Dolphin: new start screen. GUI: new multiline element.
* Dolphin: up state version to reset it for everyone
* Dolphin: take maximum of idle screen height
* Dolphin: frames on first start screen.

applications/dolphin/dolphin_state.c

@@ -14,7 +14,7 @@ typedef struct {
 #define DOLPHIN_DATA_DATA_ADDRESS (DOLPHIN_DATA_HEADER_ADDRESS + sizeof(DolphinDataHeader))
 
 #define DOLPHIN_DATA_HEADER_MAGIC 0xD0
-#define DOLPHIN_DATA_HEADER_VERSION 0x00
+#define DOLPHIN_DATA_HEADER_VERSION 0x01
 
 typedef struct {
     uint32_t limit_ibutton;