implemented feedback (most) from Erik/Javier + added missing citations to table

papers/ISPCS2018/wrApplicationsOverview.bib

@@ -509,4 +509,12 @@ year    = "2016",
 @Misc{biblio:WRin1588,
   title 	= "{White Rabbit integration into IEEE15880-20XX as High Accuracy}",
   howpublished	= {\url{www.ohwr.org/projects/wr-std/wiki/wrin1588}},
-}
\ No newline at end of file
+}
+@Misc{biblio:WRusers,
+  title 	= "{White Rabbit Users}",
+  howpublished	= {\url{www.ohwr.org/projects/white-rabbit/wiki/WRUsers}},
+}
+@Misc{biblio:WRcompanies,
+  title 	= "{Companies producing White Rabbit Devices}",
+  howpublished	= {\url{www.ohwr.org/projects/white-rabbit/wiki/wrcompanies}},
+}