tools/licenses: add 3c-BSD-atmel3 pattern
tools/licenses: add 3c-BSD-nordic pattern
license: added missing license for msp430 time.h
tools/licenses: remove unused 3c-BSD-clark
cpu/board: update stale redbee license headers
tools/licenses: add 1c-BSD-stanford pattern
drivers/cc2420: use DEBUG_ENABLED instead of DEBUG

compare https://github.com/RIOT-OS/RIOT/issues/2067
make: strip APPLICATION variable

Trailing white spaces in the application Makefile will cause the build
system to fail otherwise.
Merge pull request #1924 from OlegHahm/strip_application_name

make: strip white space from application name
Merge pull request #2065 from LudwigOrtmann/issue-392

license header + pattern cleanup
Merge pull request #2068 from LudwigOrtmann/debug-enabled

drivers/cc2420: use DEBUG_ENABLED instead of DEBUG
dist/licenses: add and use diff-filter
dist/licenses: add and use --error-exitcode