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
newlib doesn't support the z modifier

on msba2 this will print

    Initializing transport layer packages. Size of socket_type: zu
fix to use only transceiver_pid from transceiver.c
aligned comment on external thread_pid
fix made transceiver_pid extern for at86rf231
fix made transceiver_pid extern for cc2420
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
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
include cc110x.h instead of deprecated interface.h
Merge pull request #663 from authmillenon/rm-addr-conv-dep

Remove destiny header dependency from net_help
Merge pull request #655 from OlegHahm/cc110x_header

include cc110x.h instead of deprecated interface.h
Merge pull request #652 from BytesGalore/fix_transceiver_pid_for_at86rf231

fix to use only transceiver_pid from transceiver.c (at86rf231)
Merge pull request #653 from BytesGalore/fix_transceiver_pid_for_cc2420

fix to use only transceiver_pid from transceiver.c (cc2420)
Merge pull request #646 from BytesGalore/fix_tranceiver_pid_for_cc110x_ng

fix to use only transceiver_pid from transceiver.c
Merge pull request #661 from LudwigOrtmann/Makefile_dep

move Makefile.dep include
Merge pull request #657 from LudwigOrtmann/wsn430-v1_4_Makefiles

fix wsn430-v1_4 Makefiles