Updated README.md

added project Decentral Bank.
package: fix coveralls scripts
updated url to http.
Transaction: adds assert for invalid value type
1.0.1
Merge pull request #239 from uwecerron/master

Updated README.md
package: no longer need to specify custom crypto-browserify
package: use crypto-browserify 3.0.0
package: use bs58 1.2.1
package: use ecurve 1.0.0