native: add help option

Closes: #840
ccnl: find bogus looping content
Merge pull request #1035 from LudwigOrtmann/issue_840

native: add help option
Merge pull request #1036 from mehlis/ccnl-looping-content

ccnl: find bogus looping content
ccnl: use a second helper thread to handle e.g. timeouts
ccnl: use vtimer instead of rtc
import chunks fitting for MSBA2
don't include transceiver and defaulttransceiver
make theRelay use dynamic memory
appserver: remove unused flag
make debug easier
make relay start on RIOT startup
remove useless config module
don't include c files