Log Message:
Update nload to 0.7.0, based on maintainer update request in PR 38461.
While here, marked as DESTDIR ready.

Changes since 0.6.0

 - Abort configure script if ncurses is not found
 - Rewrite the linux proc devreader
 - Implement hpux device detection
 - Implement reading and writing of config files
   (fixes debian bug #247030)
 - Add F5 and F6 key shortcuts for reading and writing current settings
 - Change defaults for traffic units to human readable
 - Make shown devices configurable at run time and
   save this setting as well
 - Remove "-t 0"
 - Change key shortcuts, especially F2 for the option window
 - Replace "average smoothness" by average window period in seconds
 - Apply patch by Paul Brook <paul@nowt.org> so that
   nload works correctly on 64-bit kernels
 - Fix SIGSEGV when /proc/net/dev doesn't exist
 - Make compilation work with GCC 4.3 (fixes debian bug #417449)