UP-4094 Respondr full width
NOJIRA expand hsql max memory to 160M
Refactor: render URL as property of MarketplacePortletDefinition.

Moves responsibility for computing render URL of defined portlet into `MarketplacePortletDefinition`, from portlet JSPs.
Adds utility method to `PortalWebUtils` to get request context.
Drops deepLink from model in favor of the renderUrl property of the `MarketplacePortletDefinition`.
Improve getRenderUrl JavaDoc.
Refactor: zap stray local variable, mark final.
Related portlets are MarketplacePortletDefinitions.

Instead of `IPortletDefinition`s.
Trivial: Specify type of category set members.
Refactor: move featured portlet determination to service layer.
Trivial: fix saveRating JavaDoc.
Trivial: fix null arg validation message.

Make principalFromUser null validation failure not-Marketplace-specific.
Add dependency on commons-lang3.
Merge pull request #321 from apetro/add_lang3_dependency

Add dependency on commons-lang3.
Merge pull request #320 from apetro/principal_from_user_null_validation_message

Trivial: fix null arg validation message.
Merge pull request #319 from apetro/marketplace_refactors_from_servlet_links

Marketplace refactors from servlet links
UP-4100 Switch snapshot back to 4.1.0-SNAPSHOT