Fix broken "init" command

platformio/__main__.py

@@ -91,21 +91,12 @@ def configure():
     click.secho = lambda *args, **kwargs: _safe_echo(1, *args, **kwargs)
 
 
-def remap_command_arguments(argv):
-    if len(argv) > 1 and argv[1] == "init":
-        return argv[:1] + ["project"] + argv[1:]
-    return argv
-
-
 def main(argv=None):
     exit_code = 0
     prev_sys_argv = sys.argv[:]
     if argv:
         assert isinstance(argv, list)
         sys.argv = argv
-    else:
-        sys.argv = remap_command_arguments(sys.argv)
-
     try:
         configure()
         cli()  # pylint: disable=no-value-for-parameter

platformio/commands/__init__.py

@@ -63,5 +63,18 @@ class PlatformioCLI(click.MultiCommand):
                 mod_path = "platformio.commands.%s.command" % cmd_name
             mod = __import__(mod_path, None, None, ["cli"])
         except ImportError:
+            try:
+                return self._handle_obsolate_command(cmd_name)
+            except AttributeError:
+                pass
             raise click.UsageError('No such command "%s"' % cmd_name, ctx)
         return mod.cli
+
+    @staticmethod
+    def _handle_obsolate_command(name):
+        # pylint: disable=import-outside-toplevel
+        if name == "init":
+            from platformio.commands.project import project_init
+
+            return project_init
+        raise AttributeError()