Fixing segfault for POST requests when no content-type is set. See issue #4650.
Add further utilities to cmake build (#4617)
Update symbol references when removing a symbol (#4656)
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)
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