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
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
licenses: added pattern for Apache v2 license
lpc2387: license: added license header

According to
http://developer.mbed.org/users/mbed_official/code/mbed/file/82220227f4fa/LPC23xx.h
this file is licensed under Apache V2
Merge branch 'cleanup_licenses' of https://github.com/OlegHahm/RIOT into extern_C_in_headers_cpus