update to latest Zend and modifiablepath versions

diff --git a/library/Zend b/library/Zend
index 1d02476829ea0d2077d45edfc44b8515b661c42e..0dddda3bb094bc583e40ae455f312bffb828809e 160000 (submodule)
--- a/library/Zend
+++ b/library/Zend
@@ -1 +1 @@
-Subproject commit 1d02476829ea0d2077d45edfc44b8515b661c42e
+Subproject commit 0dddda3bb094bc583e40ae455f312bffb828809e

diff --git a/public/modifiablepath b/public/modifiablepath
index 0e7edb46ec038c310e03ac72fc6ad454d3d16e5c..0d60e74985d83f97299179bdbe61e1dbf7b81971 160000 (submodule)
--- a/public/modifiablepath
+++ b/public/modifiablepath
@@ -1 +1 @@
-Subproject commit 0e7edb46ec038c310e03ac72fc6ad454d3d16e5c
+Subproject commit 0d60e74985d83f97299179bdbe61e1dbf7b81971