update .travis, matrix check with groovy/hydro and deb/src, also check i...

travis uses 32+ cpu machine and it some times kill gcc as follows, this we need to pass j8,l8 option to set limit for parallel compilation.

```
g++: internal compiler error: Killed (program cc1plus)
Please submit a full bug report,
with preprocessed source if appropriate.
See <file:///usr/share/doc/gcc-4.6/README.Bugs> for instructions.
```