BISERVER-11031 - The scheduled task still present in the list after removing

Change at js: added additional check if object is null (empty response from server)
Merge pull request #1328 from apratkin/BISERVER-11031a

BISERVER-11031 - The scheduled task still present in the list after remo...
[BISERVER-11112] - Fix for schedule names in lineage, import session
Merge pull request #1329 from pminutillo/localdev

[BISERVER-11112] - Fix for schedule names in lineage, import session
SERVER-9446 - "Pentaho" hard-coded in two .jsp files

What was done:
1) added localization for mantle page

BISERVER-9446 - "Pentaho" hard-coded in two .jsp files

What was done:
1) changed files to take localized string in titles

BISERVER-9446 - "Pentaho" hard-coded in two .jsp files

What was done:
1) switched to use already defined PUC name