Adapt plomlib links to its new directory structure.

diff --git a/plomlib b/plomlib
index dee7c0f6218e6bdd07b477dc5d9e4b5540ffcf4a..0b4baee83e05737b24360e395393a87658feeee2 160000 (submodule)
--- a/plomlib
+++ b/plomlib
@@ -1 +1 @@
-Subproject commit dee7c0f6218e6bdd07b477dc5d9e4b5540ffcf4a
+Subproject commit 0b4baee83e05737b24360e395393a87658feeee2

diff --git a/src/plomlib/web.py b/src/plomlib/web.py
index d0c30d8166b21e7ff4a88d197079f84e96c4bb8a..ed1ec7a98f465e4c348429e1c43d9d1cf9bb42d3 120000 (symlink)
--- a/src/plomlib/web.py
+++ b/src/plomlib/web.py
@@ -1 +1 @@
-../../plomlib/web.py
\ No newline at end of file
+../../plomlib/py/web.py
\ No newline at end of file