fix paths to mgmt command files

Author: hjwp

chapter_21_server_side_debugging.asciidoc

@@ -216,7 +216,7 @@ whether we're running against the staging server or not.
 Let's save the `staging_server` variable on `self` in _base.py_:
 
 [role="sourcecode"]
-.functional_tests/base.py (ch21l009)
+.src/functional_tests/base.py (ch21l009)
 ====
 [source,python]
 ----
@@ -233,7 +233,7 @@ email server, using the horrifically tortuous Python standard library POP3
 client:
 
 [role="sourcecode"]
-.functional_tests/test_login.py (ch21l010)
+.src/functional_tests/test_login.py (ch21l010)
 ====
 [source,python]
 ----
@@ -298,7 +298,7 @@ local and staging tests:
 
 
 [role="sourcecode small-code"]
-.functional_tests/test_login.py (ch21l011-1)
+.src/functional_tests/test_login.py (ch21l011-1)
 ====
 [source,diff]
 ----
@@ -341,7 +341,7 @@ And then modifications involving using that variable and calling our new helper
 function:
 
 [role="sourcecode small-code"]
-.functional_tests/test_login.py (ch21l011-2)
+.src/functional_tests/test_login.py (ch21l011-2)
 ====
 [source,diff]
 ----
@@ -460,17 +460,17 @@ will do all that path mangling for you. They live in a folder called
 
 [subs=""]
 ----
-$ <strong>mkdir -p functional_tests/management/commands</strong>
-$ <strong>touch functional_tests/management/__init__.py</strong>
-$ <strong>touch functional_tests/management/commands/__init__.py</strong>
+$ <strong>mkdir -p src/functional_tests/management/commands</strong>
+$ <strong>touch src/functional_tests/management/__init__.py</strong>
+$ <strong>touch src/functional_tests/management/commands/__init__.py</strong>
 ----
 
 The boilerplate in a management command is a class that inherits from
 `django.core.management.BaseCommand`, and that defines a method called
 `handle`:
 
 [role="sourcecode"]
-.functional_tests/management/commands/create_session.py
+.src/functional_tests/management/commands/create_session.py
 ====
 [source,python]
 ----
@@ -555,7 +555,7 @@ when we're on the local server,
 and make it run the management command on the staging server if we're on that:
 
 [role="sourcecode"]
-.functional_tests/test_my_lists.py (ch21l016)
+.src/functional_tests/test_my_lists.py (ch21l016)
 ====
 [source,python]
 ----
@@ -590,7 +590,7 @@ when we populate `self.test_server`:
 
 
 [role="sourcecode"]
-.functional_tests/base.py (ch21l017)
+.src/functional_tests/base.py (ch21l017)
 ====
 [source,python]
 ----
@@ -626,7 +626,7 @@ just need to let it know the "host string" you're connecting to:
 
 
 [role="sourcecode"]
-.functional_tests/server_tools.py (ch18l018)
+.src/functional_tests/server_tools.py (ch18l018)
 ====
 [source,python]
 ----
@@ -662,7 +662,7 @@ cryptographically valid for the server:
 
 
 [role="sourcecode small-code"]
-.functional_tests/server_tools.py (ch18l019)
+.src/functional_tests/server_tools.py (ch18l019)
 ====
 [source,python]
 ----