Fixed lib file installation process for certain platforms

[spiderkeys]

• Changed setup.py to use the data_files for libraries instead of package_data
• Added a filter such that the only lib files installed are the ones for your specific arch (saves space)

[gianpiero]

Hello,

I am closing this pull request because the solution does not always work (see https://github.com/rticommunity/rticonnextdds-connector/issues/54#issuecomment-351337632)

Best, Gianpiero