lib/cipher: constify allnet_sign
added a comment to explain that data_size should include the signature size
lib: code reordering for wp_arith.c, comment fix
Merge remote-tracking branch 'remotes/andreas/wp_arith'

Merging AB's wp_arith code reordering
Merge remote-tracking branch 'remotes/andreas/constify-allnet-encrypt'

merging AB's const parameter to allnet_sign
added sensible command-line switches to the trace command
fixed a bug in trace.c option parsing
fixed a bug in trace option parsing
fixed a bug in the time computation for generating spare keys in keyd.c
improved RNG seeding in the absence of /dev/random
small improvements in asn1.c
added -y switch to verifY and decrYpt packets for me
fixed a bug, wp_rsa_verify worked on the text and RSA_verify on the hash
redid the random seeding in app_util.c to be more portable
changed the unit test in wp_rsa.c to match the new definition
removed some warnings
gave better message in xchat_socket when unable to bind
if contact is partially created, re-uses it instead of complaining that contact already exists
fixed two bugs: calling AES w/256 (should be 32), comparing sp->counter instead of num_bytes in stream.c decrypt
right number of args in xkeyr.c call to allnet_encrypt