Merge ../phpdbg into PHP-5.6

Conflicts:
	sapi/phpdbg/config.m4
Merge phpdbg into PHP-5.6
Merge phpdbg into PHP-5.6
cleanup uneeded json
Enable shared builds for webhelper
Merge php-src into phpdbg
Merge phpdbg into PHP-5.6
Merge remote-tracking branch 'origin/PHP-5.6'