new User Authority contract

Merge pull request #34 from signaturit/develop

try sonar properties

Optimized the timelogger contract to avoid two steps initalization

0.3.8

add new jsons

Refactor timelogger contract

Timelogger contract has been refactored, changing some requires for if statements

Add track time contract

• Refactor clausules contract
• Add new track time contract

New payment contract

New payment smart contract refactored following new logic

Start beta version

First version of the signaturit smart contracts