Fixed the typo in resetClassStyle (#4971)
Merge branch 'branch-6-4'
Fix overflow in integer calculations (#4970)
Fix postgis installation on travis CI
Merge branch 'branch-6-4'

Conflicts:
	.travis.yml
fix segfault when computing degenerate line lengths (#4972)
Don't treat OGR autostyle'd text as a mapserver expression (#4965)
Force going through the resampler in client WMS receiving a clipped BBOX (#4931)
Implement RFC91 Layer Filter Normalization (#4974)
RFC91: Support for Oracle Spatial filtering (#4974)
Fixed hour and minute translation templates.
Better support of the simple features profile

Replace parts that not part of the:
Geography Markup Language (GML) simple features profile
Version 1.0
http://portal.opengeospatial.org/files/?artifact_id=15201&passcode=h597f3yybeu8fqxh99kh
Use X-FORWARDED-* headers when contructing onlineresource (#4955)
Add <ogc:PropertyName></ogc:PropertyName> tags in SLD label (#4921)

Added in <label></label> when we are using values from an attribute
(ie property in OGC terms). In MapServer this is the only way to get
a value for a label when using the labelitem parameter.
Added filter translation check to msQueryByRect().
Added a few comments to clarify projection handling.
Merge branch 'master' of https://github.com/mapserver/mapserver
update tests for #4978
For data sources with inconsistent row numbers, queryByIndex should not set a resultindex. #4926 #4076
Fixing the unresolved reference for the oracle plugin build (#4985)