Install Ruby mapscript in sitearchdir instead of archdir.
restore dev version to 6.5
Merge pull request #4754 from sebastic/ruby-mapscript

Install Ruby mapscript in sitearchdir instead of archdir.
implement RFC98 (#4673) and  RFC99 (#4704)

- implement complex scrit shaping via harfbuzz
- refactor text rendering pipeline
- remove support for GD renderer
- remove support for deprecated annotation layers
update my email
add RFC103 layer->encoding implementation (#4758)
update HISTORY.TXT for major 7.0 features
add harfbuzz to cmake status message
Remove unconditional dependency to harfbuzz
Merge pull request #4760 from szekerest/master

Remove unconditional dependency to harfbuzz
Fix builds for MSVC 2003 (#4761)
Merge pull request #4762 from szekerest/master

Fix builds for MSVC 2003 (#4761)
Fix issue with mindistance labels containing no text (#4673)
Allow setting gamma at the layer level (#4763)
Merge branch branch-6-4 into master
Implementation of RFC 102: Styleitem Javascript with v8 engine
fix build when v8 is disabled (rfc 102)
Add support for expressions in labels to XML mapfile XSD and XSL
Add support for multiple LABEL per CLASS
RFC93: UTFGrid Implementation (#4765)