Merge pull request #162 from emorency/master

OPAL-1768 and not displaying warnings when ES is not running
OPAL-1774 Allow install of all datashield packages. Added a REST resource for publishing all methods of a package.
Set http.enabled property to false
Merge pull request #163 from kazoompa/master

Set http.enabled false
OPAL-1769: Setting currentTask to null when stopping a task. Adding a progressbar to the index administration list view