Fix coverity OVERRUN/READLINK errors
add RHEL7 to OS enumerations, convert internal logging to use net-snmp logging, change lcoation of tmp files from / to /var/crash.
drop ALLOW_CORE environment variable from startup
drop uneeded files
fix license tag
use net-snmp CFLAGS And LDFLAGS
use net-snmp CFLAGS And LDFLAGS
drop UDP transport
Clean up compiler warnings
Update copyright, put License in correct place, displya correct file and location of License, include net-snmp COPYING file to be installed