up, but one thing at a time :)

access now compile with -Wall -Werror

makefile fixed for fmgr.h

Makefile fixed for fmgr.h

This gets us a clean compile of 'common' and 'gist' with *clean* #include
files

Change #include "" to #include <>

Remove a few unused #includes

Make sure it compiles with -Wall -Werror