add get_public_key method to EC_KEY class
code cleanup: main menu
more legible output for scripts/peers
increase timeout
Add new exchange rate options

BitcoinAverage added as new exchange rate option.

Add BitPay as new exchange rate API

Winkdex added as option for exchange rate - USD only

Cleanup exchange rate plugin

cavirtex exchange rate added

BTCChina - exchange rate
Merge pull request #602 from wozz/exchange-bavg

Add new exchange rate options
non blocking exchange rate API calls

clear combo box while waiting
Merge pull request #603 from wozz/exchange-fix-gui-hang

non blocking exchange rate API calls
change estimated_fee to include 34 bytes per output instead of hard-coded 80 (issue #520)
Merge pull request #604 from CodingAnarchy/master

change estimated_fee to include 34 bytes per output instead of hard-code...
follow-up to #604
follow up to #604 - gtk gui
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' of github.com:spesmilo/electrum into clean
Merge pull request #605 from CodingAnarchy/master

follow up to pull request #604
Merge branch 'master' of github.com:spesmilo/electrum into clean