do not store seed
store seed in ram
added pin to wallet
update gruntfile due to warnings
Merge pull request #2 from hankhero/master

Fabians changes
added pin encryption with seed as key
Merge branch 'master' of git://github.com/chromaway/cc-wallet-engine
build status of chromaway repo
added missing dependency crypto-js
changes in cc-wallet-core structure
v0.0.2