Lower minimum tx fee in line with Bitcoin 0.9

Since Bitcoin Core 0.9 the minimum relay tx fee was lowered to `0.00001`.
rm aliases
Merge pull request #657 from drak/patch-1

Lower minimum tx fee in line with Bitcoin 0.9
Litecoin: add 5 default servers
Litecoin: add GoCoin exchange
fix #661
Merge branch 'master' of git://github.com/spesmilo/electrum
json-friendly debug messages. fix #659
slightly better notifications. at least, it fixes #652
format inputs so that they fit on one line
fix #563
Litecoin: bump version to 1.9.8.1
Merge remote-tracking branch 'upstream/master'

Conflicts:
	lib/bitcoin.py
	plugins/aliases.py