script portability: use /bin/sh instead of /bin/bash; define all binary baths (for ccn-lite and ccnx) in one script called paths.sh
script portability continued (5 scripts were missing)
testing support for CCNx' "implicit digest matching"
added more DTAG values, including the new values for fragments assigned by PARC; switched to XEROX PUP as ethertype value
Merge branch 'master' into ccn_lite_put