Log Message:
Update to transmission-1.42:

All Platforms
* Better peer management
* Support BitTorrent Enhancement Proposal (BEP) #21 "Extension for Partial \ 
Seeds"
* Partial support for BEP #6 "Fast Extension" (reject, have all/none)
* Honor the peer's BEP #10 reqq key, when available
* Fix 1.40 "Got HTTP Status Code: 0" error message
* Fix 1.40 "lazy bitfield" error
* Fix 1.40 "jumpy upload speed" bug
* More accurate bandwidth measurement and allocation
* Fix handshake peer_id error
* Correctly handle Windows-style newlines in Bluetack blocklists
* File selection & priority was reset when editing a torrent's tracker list
* Fix autoconf/automake build warnings
GTK+
* In the Details dialog's peer tabs, rows were sometimes duplicated
* Minor bugfixes, usability changes, and locale improvements
* Three new translations: Afrikaans, Asturian, Bosnian
* Sixteen updated translations
Daemon
* Fix 1.40 bug in handling IP whitelist
* Minor bugfixes and output cleanup
* Windows portability
CLI
* Fix small free-memory-read bug