Merge pull request #407 from pminutillo/5.1-LEGACY

[BISERVER-11217] - Added creatable flag, omit datasource types from crea...
 [PDI-10781] - Create/update agile mart datasource from properties files
Merge pull request #408 from rmansoor/5.1-LEGACY

[PDI-10781] - Create/update agile mart datasource from properties files
[BISERVER-11331] If user is given the Manage Data Sources role, they do not see the same Manage Data Sources window as the admin user does.
Merge pull request #409 from brendan-lynch/5.1-legacy-biserver11331

[BISERVER-11331] If user is given the Manage Data Sources role, they do ...
[PDI-11993] - Display Agile Mart connection type - working display of AgileMart connection type. Added attribute to indicate "standard" connection type. Added filtering standard connections when creating new mondrian or dsw data