remove MANIFEST.MF
add index.jsp

Signed-off-by: Andy-Shao <hj13035952619@126.com>
finish hello,world

Signed-off-by: Andy-Shao <hj13035952619@126.com>
finished
add java source plugin

Signed-off-by: Andy-Shao <hj13035952619@126.com>
add hello1