- Reworked the CXX checking; now, _any_ user input will be checked

and the request will be terminated when something suspicious is
detected.  This will be logged in the watchdog.  With help from Marco.

- Fixed translation issue in the archive module.  Patch by Gerhard.

- Removed dead parameter from variable_get().  Patch by Chris Johnson.
Fixes bug #2111.

- Improved input checking of taxonomy module.  Patch by Gerhard.
Fixes bug #2112.