load the seed from localstorage

We still need to load it from the sd card if it's not in the localstorage; therefore we also need to support the unsynchronious api.
Improve the console log messages
change reload button to unicode character

The character has been tested with the simulator for 1.3, 1.4, 2.0, 2.1, 2.2
Merge branch 'master' of https://github.com/duesenfranz/openwapp into duesenfranz-master
Refactor code, so we only use localStorage, easier
Merge branch 'duesenfranz-master'