Remove dependency to Vaadin addon tokenfield (#875)

* Removed vaadin Tokenfield dependency

Implemented own Tokenfield, but not finished yet. This branch is not
intended to be merged!!!

Signed-off-by: Markus Block <markus.block@bosch-si.com>

* added Combobox and get it running

Signed-off-by: Markus Block <markus.block@bosch-si.com>

* Fixed remaining problems, added Combobox for tag selection

Signed-off-by: Markus Block <markus.block@bosch-si.com>

* fixed permission check

Signed-off-by: Markus Block <markus.block@bosch-si.com>

* fixed tag update

Signed-off-by: Markus Block <markus.block@bosch-si.com>

* Changed Tag assignment in details tab

Removed assign button and assign a tag when it is selected. In tables
only refreshFilter when necessary.

Signed-off-by: Markus Block <markus.block@bosch-si.com>

* fixed Bulkupload

Signed-off-by: Markus Block <markus.block@bosch-si.com>

* Making Sonar happy

Signed-off-by: Markus Block <markus.block@bosch-si.com>

* Making Sonar happy

Signed-off-by: Markus Block <markus.block@bosch-si.com>

* Fixed Bug in DistTokenfield and sorted Tags in Tag list

Signed-off-by: Markus Block <markus.block@bosch-si.com>

* Making Sonar happy

Signed-off-by: Markus Block <markus.block@bosch-si.com>

* Fixed Sonar issues

Signed-off-by: Markus Block <markus.block@bosch-si.com>

* Implemented code review remarks

Signed-off-by: Markus Block <markus.block@bosch-si.com>

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

@@ -298,6 +298,7 @@ tooltip.timeforced.forced.since=Auto forced since {0}
 tooltip.check.for.mandatory=Check to make Mandatory
 tooltip.artifact.icon=Show Artifact Details
 tooltip.click.to.edit = Click to edit
+tooltip.click.to.remove = Click to remove
 tooltip.metadata.icon = Manage Metadata..
 tooltip.next.maintenance.window = next on {0}
 tooltip.target.attributes.update.request = Request attributes update
@@ -334,6 +335,8 @@ tooltip.maximize = Maximize
 tooltip.minimize = Minimize
 tooltip.bulkUpload = Bulk Upload..
 tooltip.showTags = Show Tags
+tooltip.assignTag = Assign Tag
+tooltip.selectTag = Select Tag
 tooltip.update = Edit..
 tooltip.reset = Reset
 tooltip.configure = Configure..
@@ -609,7 +612,6 @@ header.caption.typename = SoftwareModuleType
 header.caption.softwaremodule = SoftwareModule
 message.sw.unassigned = Software Module {0} successfully unassigned
 header.caption.upload.details = Upload details
-combo.type.tag.name = Type tag name
 
 label.yes = Yes
 label.no = No