package openscenegraph: depend on gta
Merge pull request #178 from marlam/master

package openscenegraph: depend on gta
update package apr-util
update packages glibmm gtkmm2
update packages ilmbase openexr
update package poco
update package protobuf
update package wt
package guile: bump ignored version
package libharu: remove ignored version
mingw runtime and api: ignore major version 4.0