When scanning system drives for installed SDKs, default SDK version to 5.0 when no SDK version info is available; also updated SDK properties dialog to correctly display SDK version string.
bin.includes = META-INF/,\
data/,\
library.jar,\
data2/,\
tools/
jars.compile.order = library.jar
source.library.jar = src/
output.library.jar = bin/