import RandomLib-1.6
Add static constants definition

Current code could arise link error since there're no defintion in the code.

http://gcc.gnu.org/wiki/VerboseDiagnostics#missing_static_const_definition
Build RandomLib during ecell3 build process
Improve H5VisualizationLogProcess module build process

- Use LTDL_SHLIB_EXT
- Add --no-stdlibdir --no-stdinclude
- Add proper CXXFLAGS and LDFLAGS
Replace C++11 stype initialization with legacy ones