eclcc fails on OSX when parsing plugins/stdlib

There are two things going on here:
1. Plugin third party dylib's need to be included in install and the plugin.dylib rpaths need to be patched during build/package
2. The eclcc dynamic loading (dlopen) seems to be appending a ".so" onto the tail of the file name:
...
00000002 2013-08-22 10:28:31 1487 -1 Error loading /opt/HPCCSystems/4.0.0/clienttools/plugins/libfileservices.dylib: dlopen(lib/opt/HPCCSystems/4.0.0/clienttools/plugins/libfileservices.dylib.so, 2): image not found
...