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.
presize array.
replace Charset string to Charset instance.
optimize loop.
presize list.
optimize.
replace StringBuffer to StringBuilder.
replace StringBuffer to StringBuilder.
Replace to Generics Diamond.

Replace ArrayList to List.
remove bug by contentType from marshallers