coap_debug.h: Support logging level set to _COAP_LOG_EMERG
coap_pdu.h: handle small ints
coap_pdu_internal.h: handle small ints
coap_session_internal.h: handle small ints
coap_uthash_internal.h: handle small ints
coap_block.c: Handle small ints
coap_debug.c: Fix use of vsnprintf() and vfprintf()
coap_pdu.c: Handle small ints
coap_tinydtls.c: Handle small ints
coap_uri.c: Fix alignment issue in coap_new_uri()
uncrustify run on RIOT examples to conform to RIOT's coding standards/
