Merged rtree.h, to avoid code duplication.
Fixes the case, when waste is never greater then the worst case and seeds assignment does not occur.
Merged upstream
Removed warning.
Fixed SetCurrentContext() assert, that was firing on closure of pcbnew, when the OpenGL backend was active.
Commit merge request lp:197858 (fixes lp:1249736).
Commit merge request lp:197913.
Fix wxWidgets 2.8 validator bug in footprint name entry dialog. (fixes lp:1259204)