Miscellaneous fixes

[ming]

Miscellaneous and minor fixes here.

[ming]

(In [3888]) Re #1417 (misc fix): Add OS X Lion support for Python build

[ming]

(In [3889]) Re #1417 (misc fix): Fixed ipjsystest XCode project build settings to define PJ_AUTOCONF and add CFNetwork framework.

[nanang]

(In [3946]) Misc (re #1417): fixed sample code in PJSUA-API Media Manipulation doxygen, pjsua_player_create() only takes 3 arguments, instead of 4 (thanks Thomas Martin for the report).

[bennylp]

(In [3947]) Updated PortAudio? SVN URL (re #1417/Misc)

[bennylp]

In r3952: Allow run-time control of automatic switching to TCP when request is larger than 1300 (the PJSIP_DONT_SWITCH_TO_TCP compile time setting) via pjsip_cfg()->endpt.disable_tcp_switch setting. Thanks Johan Lantz for the suggestion.

[bennylp]

(In [3957]) Misc (re #1417): prevent buggy libc library from printing "(null)" in SDP for the rtpmap attribute, e.g.: "a=rtpmap:8 PCMA/8000(null)". Thanks Roman Puls for the fix

[bennylp]

(In [3973]) Misc: fixed bug with assigning channel count in get_conf_port_info() in the Python module. Thanks Thomas Steinacher for the report. (re #1417)

[bennylp]

(In [3987]) Re #1417 (misc): added that app should call pj_srand() initially in pj_init() documentation

[bennylp]

(In [4004]) Re #1417: removed the obsolete but misleading sip_transport_tls_ossl.c file

[bennylp]

(In [4045]) Misc re #1417: wrongly mentioned pjsip_apps.c instead of pjsua_app.c in the documentation of pjsua_msg_data

[nanang]

(In [4066]) Misc (re #1417): removed sip_transport_tls_ossl.c from vs2005 project.

[ming]

(In [4067]) Re #1417: Fixed error handling if pjsip_timer_init_session() when accepting incoming call and fixed typo in assertion in sip_inv.c

[ming]

(In [4074]) Re #1417 (misc): Fixed output path for AEC test for iOS support.

[bennylp]

(In [4093]) Misc (re #1417): fixed failed reg_test in pjsip unit test due to wrong status code expected and actually received

[nanang]

(In [4097]) Misc (re #1417): reverted back accidental jbuf modification in r4004.

[nanang]

(In [4098]) Misc (re #1417): fixed compile error on Symbian 5th ed SDK.

[bennylp]

(In [4103]) Misc (re #1417): normalize the error status returned by pj_getaddrinfo() to PJ_ERESOLVE, because this error is treated specially to trigger SIP status code 502. This was suspected to have caused pjsip unit test to fail in the regc test

[bennylp]

(In [4104]) Misc (re #1417): fixed warnings regarding mismatched argument type in stream compilation on gcc/Linux

[bennylp]

(In [4105]) Misc (re #1417): fixed compilation warnings about missing return value in pjlib echo server test application

[bennylp]

(In [4107]) Misc (re #1417): fixed error in the configure script when displaying failure message