update readme
relocate export_history code
changed amounts for amount/fee warning
Merge pull request #4 from wozz/electrum-doge

fix blockchain processing for DOGE
faster confirmations for doge
handle coinbase transactions explicitly
Merge remote-tracking branch 'upstream/master'

Conflicts:
	README
	gui/qt/lite_window.py
Merge remote-tracking branch 'electrum-ltc/master' into electrum-doge

Conflicts:
	README
	gui/qt/lite_window.py