Merge pull request #283 from Jasig/sonatype_redirect_http_to_https

UP-4038 : fix http redirect for sonatype snapshot repo
NOJIRA:  Provide a missing (but natural) method overload allowing clients of the IPortalSpELService to specify a ParserContext
UP-4030: Adding ability for JPA-based PAGS, import and export
UP-4030 Merge adjustments