adjust the width of column by mouse; qucik copy in a data

[rinch-wu]

1. when write the java log, the log message in the last is thin, it is not a apporiate width

[rinch-wu]

2. when the log is multiline, it is hard to copy, is have not \n in the view. In check(F12), it is correct, but it is too complex and mess the dom

[rinch-wu]

3. beside, in check(F12), the width is not equal between header and data