20170826.0

allow --lower-level auto at both side.
allow loading options from a conf file by using --conf-file,check readme for format.

if you are using virtual machine,to use the latest version,you need to update the udp2raw inside virtual machine manually(scp udp2raw_x86 into virtual machine).
===note===
Suffix hw_aes means aes hardware acceleration version,asm_aes means asm code acceleration version.The others are normal version.

Try a version without acceleration first for the best compatibility.After you make sure it works,try a version with acceleration to improve peformance.