postgres_fdw: Avoid "cursor can only scan forward" error.

Fix assertions with RI triggers in heap_update and heap_delete.

intarray: Prevent out-of-bound memory reads with gist__int_ops

pageinspect: Fix gist_page_items() with included columns

Tighten array dimensionality checks in Python -> SQL array conversion.

Tighten array dimensionality checks in Perl -> SQL array conversion.

Handle zero-length sublist correctly in Python -> SQL array conversion.

Fix crashes with CREATE SCHEMA AUTHORIZATION and schema elements

Prevent underflow in KeepLogSeg().

In hstore_plpython, avoid crashing when return value isn't a mapping.

Use --strip-unneeded when stripping static libraries with GNU strip.

Fix assignment to array of domain over composite, redux.