missing fils from yesterday comit.
must have made some mistake with git,
not sure why they were not sent..
Icons for many new types of nodes
Merge remote-tracking branch 'upstream/master' into new-default-theme
Build System Changes
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Build System:
-Big clean up of SCons, changed how builds are done to a much cleaner method (check the Github Wiki for instructions).
-Deactivated BlackBerry10 (sorry), if no mantainer found (or BlackBerry does not send us a Passort ;), platform will be removed as we have no longer devices to test.

Engine:
-Removed deprecated object and scene format (was in there just for compatibility, not in use since a long time).
-Added ability to open scenes even if a node type was removed (will try to guess the closest type).
-Removed deprecated node types.
-One liner fix for crash, line was removed accidentally.
Tweak Button margins & small fix for ToolButton
Merge remote-tracking branch 'upstream/master' into new-default-theme