Seagull-1.6.0 released

- New functionality:
NEW: Seagull multi-channel and correlation features
(it allows to associate several session-ids for a single call, whether the scenario uses one or several channels)
NEW: Seagull authentication with external method for binary and text protocols, available for linux only
(this allows to support the Radius Authenticator field)
NEW: Extend counter feature : possibility to define min and max values
NEW: Extend setfield feature in binary protocol: accept all types of field in dictionary except grouped type
NEW: Update for sctp support (SCTPlib 1.5.0 SCTPsocketapi 1.9.0), which is available for linux only
NEW: Ignore SIGPIPE signal
(this is a robustness improvement to avoid closing the application when a socket is closed)
NEW: Open-id feature is now available for binary prorocol

- Bugs fixed:
SIP: fix Title of the dictionary was xcap
XCAP: fix Add request-uri field for allowing dynamical data injection
FIX: Add controls for external protocol
OCTCAP: fix u-abort-cause is string type and not number type
FIX: About multi-socket: open action
FIX: Problem related to pair template declaration
FIX: Problem of Memory leak
FIX: Add control and message log
FIX: Problem when analyze scenario

- Update specific execution environments:
SIP: Add scenarii with contiguration parameters and correlation feature

(SVN sub-version 259)