Trying for a cleaner PR for split wallets this time
Split wallet now working, still needs

* translations
* unit tests
Update secrets.js initialization to support up to 128 shares
Merge branch 'split-wallet' of git://github.com/weissjeffm/bitaddress.org into split-wallet
split wallet first draft
split wallet second draft
Merge pull request #78 from pointbiz/split-wallet

v2.9.0 Split Wallet with UI improvements and unit tests (Shamir's Secret Sharing).