JDWP support

add skinny debug/debug-run/d command for IDE debuging with JDWP.

```
> skinny debug
```
run with JDWP on port 5005

```
> skinny debug 9999
```
run with JDWP on port 9999

**This PR does not contains changes of sh for Mac/Linux.**
Please follow it on these environment...