feat: Include integrations.library version in meta data

This allows to check if the plugins use the same major & minor versions of the integrations.library as remote-software.

Part of YIO-Remote/remote-software#532

openhab.json.in

@@ -16,7 +16,7 @@
         \"version_string\": \"$$QMAKE_HOST.version_string\"
     }
   },
-  \"copyright\" : \"(C) 2019-2020 Contributors of integration.openhab\",
+  \"copyright\" : \"(C) 2019-2021 Contributors of integration.openhab\",
   \"license\" : [
       \"YIO-Remote software is free software: you can redistribute it and/or modify\",
       \"it under the terms of the GNU General Public License as published by\",
@@ -29,8 +29,9 @@
       \"OpenHAB Integration for YIO\"
   ],
   \"url\": \"https://github.com/YIO-Remote/integration.openhab\",
-  \"dependencies\" : [
-      { \"name\" : \"app\", \"version\" : \"0.5.0\" },
-      { \"name\" : \"remoteOS\", \"version\" : \"0.4.0\" }
-  ]
+  \"dependencies\" : {
+      \"app\" : \"0.8.0\",
+      \"remote-os\" : \"0.4.0\",
+      \"integrations.library\" : \"$$INTG_GIT_VERSION\"
+  }
 }

openhab.pro

@@ -67,6 +67,10 @@ unix {
             error("Invalid integrations.library version: \"$$INTG_GIT_VERSION\". Please check out required version \"$$INTG_LIB_VERSION\"")
         }
     }
+} else {
+    # sorry, no priority...
+    INTG_LIB_VERSION = "?"
+    INTG_GIT_VERSION = "?"
 }
 
 QMAKE_SUBSTITUTES += openhab.json.in version.txt.in