Upgrade Bootstrap
Merge branch 'master' of github.com:kesapojat/codebrowser-web-client

Conflicts:
	src/templates/SnapshotNavigationContainer.template
	static/assets/js/codebrowser-min.js
	static/assets/js/codebrowser-templates-min.js
	static/assets/js/codebrowser-templates.js
	static/assets/js/codebrowser.js