Fixing segfault for POST requests when no content-type is set. See issue #4650.
Handle Content-Type HTTP headers with a charset appended.

The fix for #4585 in cgiutil.c is also needed in mapows.c to handle Content-Type HTTP headers with a charset appended.
Merge branch 'branch-6-2'
Small fix to shpxy in templates
Merge branch 'branch-6-2'
Merge branch 'branch-6-2-issue4650' into branch-6-2

Conflicts:
	mapows.c
Fix segfault in ms_newMapObjFromString (PHP/MapScript)
Merge branch 'branch-6-2'
WCS server: fix segfaults (in WCS 1.0.0) when layers in the mapfile have no NAME defined
Implementation of RFC 94: Shape Smoothing.
Added bbox_pixel_is_point parameter for WMS GetMap (#4652)
Merge remote-tracking branch 'upstream/master'

Conflicts:
	mapows.c