add script to create postgis test data
more postgis tests

- tests for time support
- put connection info in an include
add a tiny pause to capture ctrl-c, generate file even on segfault
restore auto positions (mapserver/mapserver#4402)
allow php unit tests to run with an uninstalled php_mapscript.so

cc @aboudreault @jlarouche => fyi
correct expected result after rollback of mapserver/mapserver#4018
correct valgrind command for POST tests
add test for multilabel support (#4127)

mapserver/mapserver#4127
add test for leader-lined labels
run perceptualdiff on GIF files also
add simple WFS tests on OGR datasource
Updating expected results with new multipart new lines (#4430).
Adding Content-Type header tests for WCS.
Adjusting expected results to harmonizing Content-Type header.
Further adjusting expected results to harmonizing Content-Type header.
Merge branch 'branch-6-2'
Added PHP-Mapscript Layer setFilter test
Merge pull request #2 from jlarouche/php-setfilter

Added PHP-Mapscript Layer setFilter test
add test for auto2 labelling
more complete test