atmosphere: extract API version management to common folder

stratosphere/boot/Makefile

@@ -21,7 +21,7 @@ TARGET		:=	$(notdir $(CURDIR))
 BUILD		:=	build
 SOURCES		:=	source
 DATA		:=	data
-INCLUDES	:=	include
+INCLUDES	:=	include ../../common/include
 EXEFS_SRC	:=	exefs_src
 
 DEFINES	:=	-DDISABLE_IPC

stratosphere/boot/source/boot_main.cpp

@@ -83,6 +83,8 @@ void __appInit(void) {
         fatalSimple(0xCAFE << 4 | 2);
     
     fsdevMountSdmc();
+    
+    CheckAtmosphereVersion();
 }
 
 void __appExit(void) {