BISERVER-10486 - Can't delete PME model that contains slash "\" in the ID title

deny to add metadata with prohibited symbols
[BISERVER-11871] add missing import
Merge pull request #442 from lgrill-pentaho/master

[BISERVER-11871] add missing import
Merge pull request #441 from aliakseihaidukou/BISERVER-10486

BISERVER-10486 - Can't delete PME model that contains slash "\" in the I...
[BISERVER-11829] - Several text where translation text is not found.

- Data Access, Data Source Wizard, Data Source Model Editor, select a field and click the pencil for the "add column", "Choose a colum from the available  list" translation not found
Merge pull request #445 from aliakseihaidukou/BISERVER-11829

[BISERVER-11829] - Several text where translation text is not found.
[BACKLOG-26] Add "Data Source" under the New button on the PUC home page
Merge pull request #448 from AlexanderBuloichik/BACKLOG-26

[BACKLOG-26] Add "Data Source" under the New button on the PUC home page
[BISERVER-11833] Change dialog title
[BISERVER-11833] Make dialog bigger
[BACKLOG-27] Change "add" dropdown into single button and plain menu
[PPP-3307] SECURITY HOLE - Data Access connection list returns passwords in plain text
Do not send database passwords to UI
Merge pull request #451 from AlexanderBuloichik/BACKLOG-27b

[BACKLOG-27] Update DataSource dialog (resize, titles) based upon UX recommendations
Merge pull request #452 from AlexanderBuloichik/PPP-3307c

[PPP-3307] SECURITY HOLE - Data Access connection list returns passwords...
[BISERVER-11909] -  Updating the JS service to properly call delegate methods
Merge pull request #454 from rmansoor/master

[BISERVER-11909] -  Updating the JS service to properly call delegate methods
[BACKLOG-26] Fix menu items for plugins display
Merge pull request #456 from AlexanderBuloichik/BACKLOG-26a

[BACKLOG-26] Fix menu items for plugins display
BACKLOG-116: add data access dialog to toolbar
Merge pull request #461 from AlexanderBuloichik/BACKLOG-116

BACKLOG-116: add data access dialog to toolbar