slim post data
fix ZTS build
revert stream cast
make reading php://input JIT if enable_post_data_reading=0
tests
remove unused code
we need to use the full stream wrapper for filters
Merge branch 'slim-postdata-merge'

* slim-postdata-merge:
  remove unused code
  tests
  make reading php://input JIT if enable_post_data_reading=0
  revert stream cast
  fix ZTS build
  slim post data

Conflicts:
	ext/soap/soap.c
	ext/standard/php_fopen_wrapper.c
	main/SAPI.c
final bits