Update ows_wms_capabilities.xml (related to #4533)
update xml for newer libxml2

the empty tag writer changed syntax
Add something to be entity-encoded to custom URL. Refs #4622
update tests (#4624)
Test result when requesting a getcapabilities document using http POST.

Test for a post request with key-value-pairs, applies to
mapserver/mapserver#4627
Distinguish between XML and KVP in POST requests.
Add tests for WFS OGR output wheh there are null integer fields (#4633)
additional fixes related to mapserver/mapserver#4633
update for 64bit 12.04 on travis

mapserver/mapserver#4643
Modify expected results for a few tests of wxs/wfs_ogr.map, due to UbuntuGIS being updated to GDAL 1.10 where CSV driver strips leading spaces
Try updating gd_png_tr_256.png and gdal_png_tr_256.png to new result