Default visibility wrappers for ios, ostream and unwind.h.
Don't require bool conversion for streams. Deal with C++11 runtime
libraries.
Force realigning the stack for Clang on AMD64 as Hotspot creates
misaligned stack frames.
More package cleanup, added www/py-httplib2 as a dependency and
USE_TOOL+=pax
Updated sysutils/openxenmanager to 0.0.80nb2
Remove second '#' line in generated Makefile. Not necessary, since there's
already an empty line as third, now second, line per default.
Update to 0.4.7:

Diffuse 0.4.7 - 2013-05-13
- added Jindřich Šesták's Czech translation
- improved character editing to allow easy indenting and moving the cursor by whole words
- added Miś Uszatek's Polish translation
- improved auto-detection of utf_16 and utf_32
- added "New N-Way File Merge..." menu item
- added syntax highlighting for Erlang and OpenCL files
Updated devel/diffuse to 0.4.7