moving thumbnail_control.js to the panojs library
flake8 cleanup on omeroweb/webstart
dev_5_0 specific cleanup
Add omeroweb/webstart flake8 check to travis
Update copyright year
fixing IE changes from https://github.com/openmicroscopy/openmicroscopy/pull/1708/files#diff-6cedf73ec464ba34acacbd07b15060eeL124

 - fixing toggleMinimize event as gets handled by too many handlers in FF,
 - fixing ROI to follow mouse cursor when pressed down
Merge branch 'dev_5_0' into flake8-cleanup-webstart-dev50

Conflicts:
	components/tools/travis-build
Merge pull request #2314 from aleksandra-tarkowska/rebase/dev_5_0/birdeyeview_bug

Birdeyeview bugs (rebased onto dev_5_0)
Merge pull request #2332 from knabar/flake8-cleanup-webstart-dev50

Flake8 cleanup on omeroweb/webstart (dev_5_0)