Eclipse CDT project support

The dedupv1 can now be opened as CDT project within Eclipse.
To use it, download eclipse for C++. Extend it with pydev
(http://pydev.org/manual_101_install.html) To get python
support.

Signed-off-by: Dirk Meister <meister@uni-mainz.de>
Repaired Eclipse project, so the logging header files are displayed correctly.

Signed-off-by: Dirk Meister <meister@uni-mainz.de>
CRCs are now computed by crcutil, which uses SSE 4.2.

Applied with changes

Signed-off-by: Dirk Meister <meister@uni-mainz.de>