Fixing segfault for POST requests when no content-type is set. See issue #4650.
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)
updated msautotest to latest master revision
add mspython tests to Makefile.autotest
fix mspython-testcase target
WFS paging parameter startIndex changed to base on 0 (0 is the first feature). See #4180 for external references.
Replace `strlcpy` with `strncpy` in `msIO_stripStdoutBufferContentType()`

The use of `strlcpy` was producing *uninitialised value* errors in
valgrind.  It appears this was due to the fact that `strlcpy` expects
the source string to be null terminated which is not always the case
in this context.
Merge branch 'branch-6-2'
updated msautotest to mspython_fixes
Merge pull request #4679 from rouault/test_with_mspyton

Enable mspython tests in Travis
Fix: Using POLYLINE_NO_CLIP with Inline features can result in a seg fault (#4676)
Merged master and bumped revision of msautotest
Fix msautotest revision...
Fix regression with rfc14 (#4676)
Fixed GDALOpen call parameter and added an error check for GDALContourGenerate call