[FT] create waits, wait_url/wait_url_change

[netzulo]

Obtained behaviour

Need to handle certain waits from ExpectedConditions default classes to use at PageBase , ControlBase throught NavBase

Expected behaviour

SPECs

• new method for NavBase object named : wait_url
• new method for NavBase object named : wait_url_change
• new method for PageBase object named : wait_url
• new method for PageBase object named : wait_url_change

Tests

• At NavBase suite
  • new testcase for method named : wait_url
  • new testcase for method named : wait_url_change
• At PageBase suite
  • new testcase for method named : wait_url
  • new testcase for method named : wait_url_change

Notes

• Update CHANGELOG at finish Issue