tests:sizeof_tcb: fix for wsn430 and arduino

tests/float: increase timeout for wsn430

tests/bloom_bytes: increase timeout for wsn430

arduino-uno and arduino-mega2560 do not support the '%-*s' option.

examples: ccn-lite-relay: renamed 'ccnl_cont'

    adding 512 elements took 10243ms
    checking 10000 elements took 134720ms

Renamed 'ccnl_cont' to 'ccnl_cs' in examples/ccn-lite-relay/README.md

readme: add IRC badge

nanocoap: add request entity incomplete response code

evtimer: optimized adding

cbor: add deprecation note

make/javascript: fix RIOTBASE

cpu/nrf51: add PWM implementation

pkg/pkg.mk: do not sign when applying patches

frdm-k22f: Fix typos and remove unused includes

pkg: cleanup old GIT_APPLY_PATCHES variable

Disable signing every applied patches for user that have gpgsign by default.

variable usage was removed in 0fb50ebe

dist/tools/openocd: add the possibility to do a reset before halt in openocd debug command

boards*: cleanup doxygen

sys/auto_init: fix syntax error on auto_init_pulse_counter.c

gnrc: fix build of gnrc_ipv6_blacklist when ENABLE_DEBUG is disabled

net/gcoap: increase stack size by sizeof(coap_pkt_t)

sys/arduino: drop cpp feature dependency

Currently, the arduino module depends on the "cpp" feature. As AVR's
don't have libstdc++, they don't provide that feature, as otherwise all
cpp examples would break.  But the AVR does provide a cpp compiler and
thus the arduino module compiles just fine.

This comit removes the cpp dependency from arduino module.

sys/event: allow calling event_post multiple times

net/rdcli: fix doxygen groups for RD client code