Use Golang 1.3
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import lines compatible with goimports.

The gosocks import need to explicity name it "socks" to match what the library
does, otherwise goimports gets confused.
Add a useDeadlockDetector flag and leave it off by default.

Also run goimports everywhere.

The deadlock detector is not interacting well with the metadata downloader - where the main goroutincan be blocked for several
seconds.
Don't write heartbeats if the deadlock detector is off
Merge pull request #68 from nictuku/deadlock

Disable the deadlock detector by default
We now support Go 1.3.
Improve error checking when loading/reloading torrent files.
Avoid crash if p.have.n is 0

Work around issue #54.
More defensive programming.
Fix up piecemaps of peers that were added early.
Add resolveBindIP utilty function and test.

Not called anywhere currently. Might be used in the future to implement
a --bindIP flag that would constrain which local IP address is used when
dialing and listening.
Use new home of go-nat-pmp package.
Merge branch 'master' of github.com:jackpal/Taipei-Torrent
Use new location for github.com/jackpal/bencode-go library.
Make BtConn public
Merge pull request #72 from pquerna/make_btconn_public

Make BtConn public
Update README.md

New url for bendcode-go
Merge pull request #73 from lowks/patch-1

Update README.md
checking fs.Stat error