Requires a password of minimum complexity ( > 70%) to create a wallet
Merge pull request #486 from maddenpj/Minimum-Password-Complexity

Requires a password of minimum complexity ( > 70%) to create a wallet
Merge pull request #492 from faizkhan00/error_help

more helpful user-facing errors
Merge pull request #14 from mastercoin-MSC/master

Sync to master