fix a comment
add Date.now()
add JSJAC_REGID_TIMEOUT
fix iq spoofing

Save 'to' attribute when sending iqs along with 'id' and check against
'from' when receiving and handling reply.
add log entry for id missmatch
use bare jid instead of domain to identify empty to/from
Merge pull request #69 from sstrigler/fix-iq-spoofing

fix iq spoofing