Remove timeouts limitation

[KarolFrankiewicz]

This change removes max timeout limitation for login and waiting for elements.

Description

• 10s max timeout for login is removed
• 15s max timeout for waiting for WebElements is removed from modifiers
• default timeout for login modifier is changed from 1s to 5s as documentation stated
• documentation is updated to reflect changes

Motivation and Context

Required in #99

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• My code follows the code style of this project.
• I have reviewed (and updated if needed) the documentation regarding this change

---

I hereby agree to the terms of the AET Contributor License Agreement.

[annabudziszewska]

Tested and accepted
Version: 3.3.1.SNAPSHOT