added macport installation doc
Introduced basic functionalities
Fixed wrong prompt expected
Emulated test improved
Password change added
Merge pull request #18 from mmensuali/change-pw

User password change introduced
fix few tests in emulated mode
Added user feature documentation
Added awp user feature library methods
Added not encrypted password test suite
Removed old references in device environment
Added encryption, reworked code
Test session without the add_user test asserts
Completed old password functions removal
Introduced ATS user management
Fixed user adding test
Added encrypted password tests
Extended library and tests for ATS devices
Fixed privilege level 1 bug
ATS encrypted password length is 32 bytes