22:50 tijl 

Convert archivers/libzip to USES=libtool.  Bump PORTREVISION on all
dependent ports.

cad/repsnapper:
- Remove excessive dependencies.
- Convert to USES=libtool.
- Set LDFLAGS to fix detection of libintl.
- Use @sample.

databases/mysql-workbench51:
- Remove remnants of former slave ports.
- Convert some LIB_DEPENDS to USE_GNOME.
- Convert to USES=libtool.
- Staging.

databases/mysql-workbench52:
- USES=libtool.

devel/libsigrok:
- USES=libtool.
- INSTALL_TARGET=install-strip.

devel/liborcus:
- USES=libtool tar:bzip2.