Update Library.

Replace Log4j to slf4j.
Replace System.getProperty("line.separator") to System.lineSeparator()
fixed stream close by AutoCloser.
Create README.md
remove commons-logging library.
add static for Logger
Replace System.getProperty("line.separator") to System.lineSeparator()
Replace ByteArrayOuputStream to FastByteArrayOutputStream.
replace Vector to ArrayList.

remove not used code.
Replace ArrayList<Integer> to IntArrayList
remove LittleEndianConsts.

remove stax-api library.
Xmlbeansの生成するコードから同期コードを削除する機能追加
add Custom XmlBeans Library.
xmlbeansによる生成コードの改良に伴うコード修正
Replace IntList to IntArrayList.
Replace List<Long> to LongArrayList.

Replace List<Double> to DoubleArrayList.
replace new Double() to Double.valueOf().
remove ShortList.
version up logback.
Replace empty array to static variant.