Install Ruby mapscript in sitearchdir instead of archdir (#4754)
cmake: use pg_config supplied locations if available on PATH
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)
Fix A layer using a mask and a label with repeatdistance can crash (#4764)
Merge branch 'branch-6-2' into branch-6-4
Merge branch branch-6-4 into master
Implementation of RFC 102: Styleitem Javascript with v8 engine
fix build when v8 is disabled (rfc 102)
RFC93: UTFGrid Implementation (#4765)
Fixes for UTFGrid merge into master, tests added (#4765)
Trying to fix the build issue when allocating dynamic size array (#4765)