pjsip: Added opus codec v1.0.2 source files

Ignore-this: bb9e0b868da169f5df639b508c4654ad

darcs-hash:20130611100543-56b4d-b9d17cf14325193777d809dd31c80e987a8af28e
Fixed usage of old TLS protocol setting

Ignore-this: eb6222ea2e8ef768b510e81f48a6483e

darcs-hash:20130611122446-56b4d-e42138fadbc80662fb6811f4c15f5721fd947c34