add invalid password check
pass absolute path for new wallet
Merge pull request #947 from Tafelpoot/walletpath2

pass absolute path for new wallet
Merge pull request #944 from tkhaew/priv_keys_pwd

Issue #941 fix export_privkeys_dialog, add invalid password check
add InvalidPassword exception
Merge remote-tracking branch 'upstream/master'

Conflicts:
	electrum-ltc
	gui/gtk.py