設定類別完成。

成員：
private static final Config INSTANCE = new Config();
protected static final String DEFAULT_LANG = "en-GB";
protected static final int CODE_DOT = 0;
protected static final int CODE_DASH = 1;
protected static final int CODE_SPACE = 2;
protected static final int CODE_SPACE_LETTER = 3;
protected static final int CODE_SPACE_WORD = 4;
protected static final int UNIT_DOT = 1;
protected static final int UNIT_DASH = 3;
protected static final int UNIT_SPACE = 1;
protected static final int UNIT_SPACE_LETTER = 3;
protected static final int UNIT_SPACE_WORD = 7;
protected int preset = 500;
protected int end = 500;
protected int unit = 200;
protected int repeat = 0;
protected boolean lock;
Merge branch '17-config-class' into develop
新增媒介類別.
修正迴圈條件.
修改預設值
Merge branch '17-config-class' into develop
Merge branch '18-medium-class' into develop
改為普通Class，加入進度類別
Merge branch '18-medium-class' into develop
修正點擊 SlidingDrawer 穿透的問題

Signed-off-by: Eric <doshajou@gmail.com>
Merge remote-tracking branch 'remotes/origin/develop' into 15-ui-design-ver2