Added missing message properties that were only in lang specific files

Signed-off-by: Dominik Herbst <dominik.herbst@bosch-si.com>

hawkbit-ui/src/main/resources/messages.properties

@@ -26,6 +26,7 @@ button.no.auto.assignment = none
 button.auto.assignment.desc = Select auto assign distribution set
 bulk.targets.upload = Please upload csv file.
 bulkupload.ds.name = DS Name
+button.discard=Discard
 
 # Headers prefix with - header
 header.target.table=Targets
@@ -50,6 +51,14 @@ header.dist.twintable.selected=Selected
 header.dist.twintable.available=Available
 header.target.installed = Installed
 header.target.assigned = Assigned
+header.type=Type
+header.swmodules=SwModules
+header.migrations.step=IsRequiredMigrationStep
+header.action=Actions
+header.action.run=Run
+header.action.pause=Pause
+header.action.update=Edit
+header.status=Status
 
 # Captions prefix with - caption
 caption.action.history = Action history for {0}
@@ -170,6 +179,7 @@ label.configuration.anonymous.download = Allow targets to download artifacts wit
 label.unsupported.browser.ie=Sorry! current browser is not supported. Please use Internet Explorer 11 and above
 label.auto.assign.description=When an auto assign distribution set is selected, it will be automatically assigned to all targets that match the target filter.
 label.auto.assign.enable=Enable auto assignment
+label.scheduled=Scheduled
 
 # Checkbox label prefix with - checkbox
 checkbox.dist.migration.required = Required Migration Step :
@@ -512,3 +522,9 @@ menu.title = Software Provisioning
 
 #Target Filter Management
 breadcrumb.target.filter.custom.filters = Custom Filters
+
+notification.configuration.save=Saved changes
+controller.polling.title=Polling Configuration
+controller.polling.time=Polling Time
+controller.polling.overduetime=Polling Overdue Time
+