BISERVER-9706 - Issues with exported file names when exporting a data source created by the data source wizard

fix double .xmi.xmi at the end of metadata file
BISERVER-9714 - IE8 - Hitting the enter key on the PUC login page should act like clicking on the Login button

What was done:
1) added focus call for popup dialog
2) added onkeyup handler for IE browser
BISERVER-9848 - Remove pentaho-solutions/admin.
[BISERVER-10129] - Any user can view list of all users, roles and ACES via REST
[BISERVER-10891] Error Handling & Overwrite for the Instaview bundle
Merge pull request #1320 from mdamour1976/master

[BISERVER-10891] Error Handling & Overwrite for the Instaview bundle
[BISERVER-10671] - Typos on the Getting Started Widget
Merge pull request #1321 from mbatchelor/master

[BISERVER-10671] - Typos on the Getting Started Widget
Merge pull request #1307 from kolinus/BISERVER-9714

BISERVER-9714 - IE8 - Hitting the enter key on the PUC login page should...
[BISERVER-10891] - Adding stub method for getChildren using RepositoryProxy
Merge pull request #1323 from rmansoor/master

[BISERVER-10891] - Adding stub method for getChildren using RepositoryProxy
[BISERVER-11112] - Updates for creating lineage - Append mimetype to nodename to guarantee unique datasource nodes. Retrieve artifacts after import before creating lineage to validate successful import
Merge pull request #1322 from pminutillo/localdev

[BISERVER-11112] - Updates for creating lineage - Append mimetype to nod...
Merge pull request #1314 from brendan-lynch/master-rest

[BISERVER-10129] - Any user can view list of all users, roles and ACES v...
Merge pull request #1313 from aliakseihaidukou/BISERVER-9848

BISERVER-9848 - Remove pentaho-solutions/admin.
Merge pull request #1308 from aliakseihaidukou/BISERVER-9706

BISERVER-9706 - Issues with exported file names when exporting a data so...
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...