Merge branch 'master' into x86_64

Conflicts:
	build/jam/FloppyBootImage
	build/jam/OptionalBuildFeatures
	build/jam/OptionalPackages
	headers/private/shared/cpu_type.h
	src/bin/ps.c
	src/bin/sysinfo.cpp
	src/kits/tracker/PoseView.cpp
	src/preferences/appearance/DecorSettingsView.cpp
	src/preferences/virtualmemory/Settings.cpp
	src/servers/input/AddOnManager.cpp
	src/servers/input/InputServer.cpp
	src/servers/input/InputServerMethod.cpp
	src/system/boot/Jamfile
	src/system/boot/platform/raspberrypi_arm/mmu.cpp
	src/system/boot/platform/u-boot/arch/arm/Jamfile
	src/system/kernel/arch/x86/arch_cpu.cpp
	src/system/kernel/arch/x86/arch_thread.cpp
	src/system/kernel/cache/block_cache.cpp
	src/system/kernel/vm/VMAnonymousCache.cpp

headers/posix/unistd.h

@@ -220,7 +220,7 @@ extern int		execle(const char *path, const char *arg , ... /*, char **envp */);
 extern int		exect(const char *path, char *const *argv);
 extern int		execvp(const char *file, char *const *argv);
 
-extern void		_exit(int status);
+extern void		_exit(int status) __attribute__ ((noreturn));
 
 extern pid_t	tcgetpgrp(int fd);
 extern int		tcsetpgrp(int fd, pid_t pgrpid);

headers/posix/wchar.h

@@ -30,7 +30,7 @@ typedef struct {
 	void* converter;
 	char charset[64];
 	unsigned int count;
-	char data[1024 + 8];	// 1024 bytes for data, 8 for alignment space
+	char data[1024 + 8];	/* 1024 bytes for data, 8 for alignment space */
 } mbstate_t;