add MAPPED-ADDRESS attribute

Signed-off-by: Tony Nie <cloudnie@gmail.com>
define StunMessage

Signed-off-by: Tony Nie <cloudnie@gmail.com>
implent func to send BINDING request and get response

Change-Id: Ic83cbf562775193c10cc6b53a98da4d6f24f40b6
Signed-off-by: Tony Nie <cloudnie@gmail.com>
StunMessage: fix the issue of ArrayIndexOutOfBoundsException

increase the size of mTransID to 20 byte
Change-Id: I60498223af2e7e1bd8338bb354b459a9d0a44f5e
Signed-off-by: Tony Nie <cloudnie@gmail.com>
StunClient: test UDP connectivity

Change-Id: Icae8f06f2ddcc00b9ae67ba7479b875aba0893b0
Signed-off-by: Tony Nie <cloudnie@gmail.com>
move source code to DIR src

Change-Id: Ic1d733ea15517a94672e6b3376167573bbc580e4
Signed-off-by: Tony Nie <cloudnie@gmail.com>
StunMessage: fix the issue of convertion of RAW to attr

Change-Id: If290a96d5a4f47882e6955311134cd9cb2ee9acc
Signed-off-by: Tony Nie <cloudnie@gmail.com>
StunClient: test UDP connectivity

Change-Id: I5cd7a4fc91a5315ecfb2aca1cade1dcc56644ab8
Signed-off-by: Tony Nie <cloudnie@gmail.com>
add build.xml

Change-Id: Ida72f97583500f4f0eeb0e7ea000ca6225a99095
Signed-off-by: Tony Nie <cloudnie@gmail.com>