Merge pull request #158 from jeffreythomas/dev

BISERVER-6406 - IE: Dialog buttons show highlight/hover state when opene...
BISERVER-8154: initalize datasource model if necessary.
Merge pull request #159 from rpbouman/BISERVER-8154

BISERVER-8154: initalize datasource model if necessary.
Fixing unit tests
BISERVER-8154 - Fixing Editing of JDBC connection from Datasource
Admin Dialog
Merge pull request #160 from rmansoor/master

BISERVER-8154 - Fixing Editing of JDBC connection from Datasource
[BISERVER-7834] Added waiting dialog when loading 'Manage Existing' dialog
Merge pull request #161 from krivera-pentaho/dev

[BISERVER-7834] Added waiting dialog when loading 'Manage Existing' dial...
BISERVER-6406 - IE: Dialog buttons show highlight/hover state when opened a second time.  Addressing this at the top level and backing out previous fix.  This will now apply to any button in any dialog box.