Fixed BonjourServiceDescription.__eq__ when comparing with other types

Ignore-this: e16d8b652f58c83855b4845a67c147b1

darcs-hash:20130717102617-b22ec-6cd5793c293ce7c02c6fb0f66c1b3fe6dd63d795
pjsip: Added AGC source files from WebRTC

Ignore-this: 7f415fec2925375993304b69f3ddc304

darcs-hash:20130717094818-56b4d-891b0e20bbfd4308c17d8d73d00675855246d1af
ROLLBACK: pjsip: Cancel echo before suppressing noise

Ignore-this: 8b73b83074b3d72fd311db5243716de

darcs-hash:20130722075117-56b4d-d3fa39669439989547a1ee6a12c7d2fbb9d0593b