Merge pull request #118 from juliopontes/staging

Calendar, Person, Task & Events
Refactored authentication system, add API for hashing passwords
Refactored controllers to use getApplication and getInput methods
There is no longer a dependency on Joomla\Crypt
Update packaging script for changed dependencies
Change password hashing code to use API
Fixes

Fixes minor issues
- Missing language string
- Fixed notices
- Reportrs Issues