UI fixes/updates (#468)

* fix logging display

* hue wizard add usrname

* fix restartAction sometimes not executed

* remove configRevision

* remove v4l2 grabMode(2d/3d)

* remove latchTime from configs

not in main led device schema

* config comment: all grabbers can crop

* remove smoothing delay&pause for effects

* finalize disable effects ui

* fix empty effect selects

* remote page add 2D/3D videoMode

* add blackborder texts

* Update EffectEngine.cpp

libsrc/leddevice/schemas/schema-philipshue.json

@@ -10,7 +10,7 @@
 		"username": {
 			"type": "string",
 			"title":"edt_dev_spec_username_title",
-			"default": "newdeveloper",
+			"default": "",
 			"propertyOrder" : 2
 		},
 		"transitiontime": {