Research and perhaps move main method tests to junit

[davidhutchens]

The code contains 4 main methods that may be intended as tests. These should be move to junit tests as appropriate. The four main methods are:

• src/main/java/com/cburch/hex/Test.java: public static void main(String[] args)
• src/main/java/com/cburch/logisim/util/AlphanumComparator.java: public static void main(String[] args)
• src/main/java/com/cburch/logisim/gui/hex/HexFile.java: public static void main(String[] args)
• src/main/java/com/cburch/logisim/analyze/gui/Analyzer.java: public static void main(String[] args)

[maehne]

@davidhutchens: Can this be closed since PRs #1438 and #1446 got merged in the meantime?

[davidhutchens]

@maehne: PRs #1438 and #1446 moved the main test method from HexFile to junit. There are three other main methods listed in this issue that should be examined. So I will leave this issue open pending a resolution for those.

[davidhutchens]

With the merge of #1955, all the main test drivers have been converted to JUnit.