SVG parser fix for files that contain a viewBox but no preserveAspectRatio attribute.
A few minor clean-ups.
Added a comment about DirectSound codecs.
Made sure that UndoManager::setCurrentTransactionName updates the name when called in the middle of a set of operations.
Clarified some comments.
Merge branch 'master' of github.com:julianstorer/JUCE

Conflicts:
	modules/juce_gui_basics/drawables/juce_SVGParser.cpp