Merge pull request #853 from krivera-pentaho/dev

[BISERVER-8876] -- Updated the way samples are switched as to not break ...
[PPP-3147] Enabling the caching EntryCollector by default
BISERVER-10026 Folders with the name index.properties is being created during the migration import process from 4.8 to 5.0. Changed logic in LocaleImportHandler for resolving locale properties. Added check in content agent to prevent overwriting root locale properties on import
Merge pull request #854 from pminutillo/localdev

BISERVER-10026 Folders with the name index.properties is being created d...
[BISERVER-10022] Outputting friendlier message when chart rendering fails.
[BISERVER-8876] -- updates to getting started widget to support videos with white backgrounds