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

BISERVER-10078 - Metadata model is exported as an xml file instead of xmi
corrected exported files naming
[BISERVER-10768] Fix 4.8 bug that filters roles out of permitted list if user is not a member of the role.
Merge pull request #397 from tkafalas/5.1-LEGACY-FEATURE

[BISERVER-10768] Fix 4.8 bug that filters roles out of permitted list if...
[BISERVER-10557] No datasource name when importing an XMI file
Merge pull request #399 from webdetails/BISERVER-10557

[BISERVER-10557] No datasource name when importing an XMI file
Merge pull request #395 from aliakseihaidukou/BISERVER-9706-legacy

BISERVER-9706 - Issues with exported file names when exporting a data so...
BISERVER-9358 - Buttons in IE do not respect padding defined in theme css and position at the very bottom of dialogs

fixed styles