Added more bitcoin tests
video_device default should be string
Added util test file
Comment on wallet classes. Use address_is_old to check if address is beyond gap limit
Renamed travis config file.
Changed pacakge dependencies for travis

Forced slowaes version.
Added mnemonic to seed tests
Merging master to add-more-test to fix travis

This will make travis tests work on this branch as well.
Merge pull request #732 from chrisglass/fix-travis

Fix travis
Merge pull request #733 from chrisglass/add-more-tests

Add more tests
restore from xprv
Merge branch 'master' of git://github.com/spesmilo/electrum
Added a lot of tests for SimpleConfig

Refactored the SImpleConfig class a lot to make sure the behavior is
always defined.
Do not use mutables as default values!

This blog article explains why (just an example, many other articles
discuss this ad nauseam):
http://pythonconquerstheuniverse.wordpress.com/2012/02/15/mutable-default-arguments/
Travis now excludes "gui"

Instead of selectively including valid packages.
Added more tests for edge cases.
System config should never be None
Added tests for the system config function.
estimate fee using number of outputs
Added more tests for user config parsing.