ccnl: don't include transceiver and defaulttransceiver

This removes the duplicate include of the transceiver.
The transceiver module is a dependency of the
defaulttransceiver, so an explicite include is not needed
ccnl: appserver: remove unused flag
Merge pull request #1054 from mehlis/ccnl-unsued-var-appserver

ccnl: appserver: remove unused flag
Splitting rpl_structs.h into structs and config part
ETX-functionality is now part of a common routing-module
Merge pull request #918 from fabianbrandt/etx_now_routing

ETX-functionality is now part of a common routing-module
Four macros changed to static inline type functions and style fixes
Merge pull request #917 from fabianbrandt/rpl_config_split

Splitting rpl_structs.h into structs and config part
added check to avoid array out of boud access
Merge pull request #1025 from BytesGalore/add_out_of_bounds_check

sys:posix:pthread added check to avoid array out of bound access
core: improved doxygen documentation
Merge pull request #976 from mehlis/doxygen-one-way-malloc

core: oneway_malloc: improved doxygen documentation
Merge pull request #1053 from mehlis/ccnl-make-defaulttransceiver

ccnl: don't include transceiver and defaulttransceiver