fix wsn430-v1_4 Makefiles
move Makefile.dep include

boards modify USEMODULE which can lead to additional dependencies.
including Makefile.dep last enables it to resolve all dependencies.
Remove destiny header dependency from net_help
added licenses to some files
newlib doesn't support the z modifier

on msba2 this will print

    Initializing transport layer packages. Size of socket_type: zu
changed clonedev assignment according to const string
changed assignment to const char*
add EUI-64 support for nativenet
fix to use only transceiver_pid from transceiver.c
Merge pull request #650 from BytesGalore/fix_cast_const_string_to_char_pointer

changed clonedev assignment according to const string
aligned comment on external thread_pid
fix made transceiver_pid extern for at86rf231
fix made transceiver_pid extern for cc2420
Merge pull request #639 from mehlis/remaining-license

added licenses to some files
native+osx makefile cleanup

* add missing $(AD) to osx $(LINK) invocation
* move osx build determination to native makefile
* move old libc test to native makefile
* set objcopy to "true" - it is superfluous for native no matter what the system is
* add some documentation to natives makefile
shell: remove useless copying of input string
Merge pull request #674 from LudwigOrtmann/native_osx_make

native/osx makefile cleanup
Merge pull request #640 from benpicco/fixes

newlib doesn't support the z modifier
Fix -fno-delete-null-pointer-checks (#664)

Only use -fno-delete-null-pointer-checks if the supplied compiler knows
the flag. Clang does not understand the flag, and does not need it.
include cc110x.h instead of deprecated interface.h