Fixed scripts/browser.py

Fixed scripts/browser.py to work with updated code (ie. without deprecated cfme_tests/fixtures/ and utils/browser.py code). Based on notebooks/Browser Session.ipynb
Refresh timer
Sanitizer
Fixed naming; Use .format()
Merge pull request #1045 from mfalesni/control-fixes-alert

Control/Explorer/Alerts - Fixed naming; Use .format()
Wait for logging enhanced to find bug
Merge pull request #1047 from psav/wait_for_logging

Wait for logging enhanced to find bug
Merge pull request #1008 from psav/refresh_timer

Refresh timer
Merge pull request #1033 from slouderm/fix_browser_script

Fixed scripts/browser.py
Merge pull request #1043 from jkrocil/fix-cloud-stuff

Minor changes in cloud stuff
Merge pull request #1026 from psav/saniziter

Sanitizer
Fixed Resource Pool provision
Merge pull request #1048 from psav/fixed_res_pool

Fixed Resource Pool provision
Add cloud instance power control test