add flags to support lua,ruby and java via
add flags to support lua,ruby and java via

./configure --interfaces=libshogun,ruby_modular,lua_modular,java_modular

basic autodetection should work for java and ruby paths. Autodetection
for lua should be perfect.

shogun-toolbox/shogun,geektoni/shogun,Saurabh7/shogun,lisitsyn/shogun,sorig/shogun,karlnapf/shogun,karlnapf/shogun,shogun-toolbox/shogun,geektoni/shogun,sorig/shogun,sorig/shogun,shogun-toolbox/shogun,sorig/shogun,lisitsyn/shogun,geektoni/shogun,karlnapf/shogun,karlnapf/shogun,Saurabh7/shogun,geektoni/shogun,karlnapf/shogun,Saurabh7/shogun,besser82/shogun,lambday/shogun,shogun-toolbox/shogun,sorig/shogun,shogun-toolbox/shogun,lisitsyn/shogun,besser82/shogun,lisitsyn/shogun,besser82/shogun,Saurabh7/shogun,shogun-toolbox/shogun,karlnapf/shogun,geektoni/shogun,lambday/shogun,Saurabh7/shogun,lambday/shogun,Saurabh7/shogun,Saurabh7/shogun,Saurabh7/shogun,lisitsyn/shogun,besser82/shogun,lisitsyn/shogun,besser82/shogun,Saurabh7/shogun,lambday/shogun,sorig/shogun,lambday/shogun,geektoni/shogun,besser82/shogun,lambday/shogun