Stop LedDevice:write for disabled devices + Nanoleaf Fixes (#629)

* Handle Exceptions in main & Pythoninit

* Have SSDPDiscover generic again

* Have SSDPDiscover generic again

* Change Info- to Debug logs as technical service messages

* Nanoleaf - When switched on, ensure UDP mode

* Include SQL Database in Cross-Compile instructions

* Fix Clazy (QT code checker) and clang Warnings

* Stop LedDevice:write for disabled device

* Nanoleaf: Fix uint printfs

* NanoLeaf: Fix indents to tabs

* NanoLeaf - Add debug verbosity switches

* Device switchability support, FileDevice with timestamp support

* Nanoleaf Light Panels now support External Control V2

* Enhance LedDeviceFile by Timestamp + fix readyness

* Stop color stream, if LedDevice disabled

* Nanoleaf - remove switchability

assets/webconfig/i18n/de.json

@@ -439,6 +439,7 @@
 	"edt_dev_spec_gpioBcm_title": "GPIO Pin",
 	"edt_dev_spec_ledIndex_title": "LED index",
 	"edt_dev_spec_colorComponent_title": "Farbkomponente",
+	"edt_dev_spec_printTimeStamp_title" : "Mit Zeitstempel",
 	"edt_conf_general_enable_title": "Aktiviert",
 	"edt_conf_general_enable_expl": "Wenn aktiviert, ist die Komponente aktiv.",
 	"edt_conf_general_priority_title": "Priorität",

assets/webconfig/i18n/en.json

@@ -438,6 +438,7 @@
 	"edt_dev_spec_gpioBcm_title" : "GPIO Pin",
 	"edt_dev_spec_ledIndex_title" : "LED index",
 	"edt_dev_spec_colorComponent_title" : "Color component",
+	"edt_dev_spec_printTimeStamp_title" : "Add timestamp",
 	"edt_conf_general_enable_title" : "Activate",
 	"edt_conf_general_enable_expl" : "If checked, the component is enabled.",
 	"edt_conf_general_priority_title" : "Priority channel",