added unit tests for the easily-tested methods of RadarScanJava
added readers and getters for rangeScale and rangeOffset
added unit tests for rangeScale and rangeOffset getters
added a reader and a getter to RadarScanJava for storing the azimuth bin number at which the scan started.
added unit testing for RadarScanJava.scanStartsAtAzimuthBin attribute
eclipse - sorted members
added getters for rangeScale, rangeOffset, and scanStartsAtAzimuthBin to the RadarScanMatlab class
slight refactor of RadarScanJava.java
added unit testing for the more easily-tested methods of RadarScanMatlab