Test container type is added.

Test container is planned to test codezero microkernel extensively.
With these changes, everything is there to develop a full-featured test suite.
It also exemplifies how a new container type can be added to the system.
(cherry picked from commit f21fa53df421bfc8eeeaa096c89b98beed436c60)

conts/test/SConstruct

@@ -0,0 +1,56 @@
+# -*- mode: python; coding: utf-8; -*-
+#
+#  Codezero -- Virtualization microkernel for embedded systems.
+#
+#  Copyright © 2009  B Labs Ltd
+#
+import os, shelve, sys
+from os.path import *
+
+PROJRELROOT = '../../'
+
+sys.path.append(PROJRELROOT)
+
+from config.projpaths import *
+from config.configuration import *
+from config.lib import *
+
+config = configuration_retrieve()
+arch = config.arch
+
+
+LIBL4_RELDIR = 'conts/libl4'
+KERNEL_INCLUDE = join(PROJROOT, 'include')
+LIBL4_DIR = join(PROJROOT, LIBL4_RELDIR)
+LIBL4_INCLUDE = join(LIBL4_DIR, 'include')
+LIBL4_LIBPATH = join(BUILDDIR, LIBL4_RELDIR)
+
+# Locally important paths are here
+LIBC_RELDIR = 'conts/libc'
+LIBC_DIR = join(PROJROOT, LIBC_RELDIR)
+LIBC_LIBPATH = join(BUILDDIR, LIBC_RELDIR)
+LIBC_INCLUDE = [join(LIBC_DIR, 'include'), \
+                join(LIBC_DIR, 'include/arch' + '/' + arch)]
+
+
+env = Environment(CC = 'arm-none-linux-gnueabi-gcc',
+                  # We don't use -nostdinc because sometimes we need standard headers,
+                  # such as stdarg.h e.g. for variable args, as in printk().
+                  CCFLAGS = ['-g', '-mcpu=arm926ej-s', '-nostdlib', '-ffreestanding', \
+                             '-std=gnu99', '-Wall', '-Werror'],
+                  LINKFLAGS = ['-nostdlib'],
+                  ASFLAGS = ['-D__ASSEMBLY__'],
+                  PROGSUFFIX = '.elf', # The suffix to use for final executable
+                  ENV = {'PATH' : os.environ['PATH']}, # Inherit shell path
+                  LIBS = ['gcc', 'libl4', 'c-userspace', 'gcc', 'c-userspace'], # libgcc.a - This is required for division routines.
+                  CPPPATH = ["#include", KERNEL_INCLUDE, LIBL4_INCLUDE, LIBC_INCLUDE],
+                  LIBPATH = [LIBL4_LIBPATH, LIBC_LIBPATH],
+                  CPPFLAGS = '-include l4/config.h -include l4/macros.h -include l4/types.h')
+
+
+contid = ARGUMENTS.get('cont', '0')
+
+SConscript('SConscript', \
+     exports = { 'config' : config,  'env' : env, 'contid' : contid }, duplicate = 0, \
+     variant_dir = join(BUILDDIR, 'cont' + str(contid) + '/test'))
+