Improve Js2C converter (#1408)

* Rename 'jerry_targetjs.h' to 'jerry-targetjs.h',
   because we use dashes in filen ames instead of underscores.
 * Made destination and js souce directory configurable.
 * Updated esp8266 target to the recent changes.
 * Updated mbed and mbedos5 target to the recent changes.

JerryScript-DCO-1.0-Signed-off-by: László Langó llango.u-szeged@partner.samsung.com

targets/esp8266/Makefile

@@ -95,7 +95,7 @@ LINKFLAGS_eagle.app.v6 =				\
 DEPENDS_eagle.app.v6 =					\
 	$(LD_FILE)					\
 	$(LDDIR)/eagle.rom.addr.v6.ld			\
-	./source/jerry_targetjs.h			\
+	./source/jerry-targetjs.h			\
 	./libs/libjerrylibm.a				\
 	./libs/libjerrycore.a				\
 	./libs/libjerryentry.a

targets/esp8266/Makefile.esp8266

@@ -34,7 +34,7 @@ ESP_CFLAGS := -D__TARGET_ESP8266 -D__attr_always_inline___=
 MFORCE32 = `xtensa-lx106-elf-gcc --help=target | grep mforce-l32`
 
 ifneq ($(MFORCE32),)
-    # Your compiler supports the -mforce-l32 flag which means that 
+    # Your compiler supports the -mforce-l32 flag which means that
     # constants can be placed in ROM to free additional RAM
     ESP_CFLAGS += -DJERRY_CONST_DATA="__attribute__((aligned(4))) __attribute__((section(\".irom.text\")))"
 endif

targets/esp8266/user/user_main.c

@@ -43,7 +43,7 @@ void show_free_mem(int idx) {
 
 //-----------------------------------------------------------------------------
 
-#include "jerry_targetjs.h"
+#include "jerry-targetjs.h"
 
 
 static int jerry_task_init(void) {