* [duplicity] remove files
* [duplicity] simplify headers and frameworks search path
* [duplicity] header search path: /Applications/XCode.app/... -> /System/Library/Frameworks/Python.framework/Headers
* [duplicity] change installation directory: @executable_path/lib/python2.7/site-packages/duplicity
* [rsync] re-change "librsync.h" -> <librsync.h>
* [duplicity] add duplicity bundle
* [duplicity] add python resources in bundle
* [duplicity] change python script of duplicity
* [duplicity] adapt duplicity script