core, bridge, frontends: renamed asyncConnect to connect, and added options parameters (not used yet)

src/bridge/bridge_constructor/bridge_template.ini

@@ -264,17 +264,19 @@ errback is called with error constant as parameter:
  - ProfileUnknownError: the profile name is unknown
  - ConnectedProfileError: a connected profile would not be deleted
 
-[asyncConnect]
+[connect]
 async=
 type=method
 category=core
-sig_in=ss
+sig_in=ssa{ss}
 sig_out=b
 param_0_default="@DEFAULT@"
 param_1_default=''
+param_2_default={}
 doc=Connect a profile
 doc_param_0=%(doc_profile_key)s
 doc_param_1=password: the SàT profile password
+doc_param_2=options: connection options
 doc_return=a deferred boolean or failure:
     - boolean if the profile authentication succeed:
         - True if the XMPP connection was already established