Replaced UTF8 Symbols with words.
Reduced file size of all PNG's.
Reduced shape size for objects + added main connections point for connectable objects.
Reduced bounding box elements.
Grouped styling elements.
Added Indicator light for switches.
Corrected SVG syntax errors.
Fixed XML bug in s3p.
Merge branch 'master' of git://github.com/qantourisc/Dia---Electrical
Windows installation instructions.