[CDF-328] - Add support for Require.js in CDF
	- Karma tests are running for version 5 legacy and non-legacy, as well as for version 4.8 legacy
[CDF-402] - Review and test legacy dashboard samples
	- Legacy dashboards samples are now running for versions 4.8 and 5
[CDF-403] - Review resources paths. Account for legacy vs non-legacy js/css
	- Fixed resources paths for legacy and non-legacy dashboards in versions 4.8 and 5