Added AUR link to README
updated docstrings for async_strand.
Added support for testnet, enable when running configure.
Merge pull request #19 from wingsuit/master

Added AUR link to README
network::connect() timeout.
stop channel if connection times out.
logic error in timeout stuff.
cancel disconnect timer when connected.
stylistic changes:
- unindent macros so they are on the same column always.
- clip long lines to 80 char max horizontal limit.
- comments always on their own line.
- refactored work_required() to look nicer.
- { and } always on a separate line.
Merge branch 'spesmilo' into testnet
logic error in testnet work_required() calculation.
updated AUTHORS file.
pblaa -> previous_blaa.
comment for last_non_special_bits() [testnet func] in work_required()
tidied up the repo.
satoshi_to_btc