Merge branch 'release/0.3.8' into develop
Add optional message param to wait_until utility method.
Added custom message support to timeout errors.
Allow the test to continue, but print a warning if browser failed to maximize.
Allow the test to continue, but print a warning if browser failed to maximize.
Merge branch 'develop' of github.com:wiredrive/wtframework into develop

Conflicts:
	wtframework/wtf/web/webdriver.py
version number bump
Merge branch 'release/0.3.9'

Conflicts:
	browser-plugins/chrome/wtf_page_mapper/manifest.json
	setup.py
	wtframework/__init__.py