project: Add wiki scraper (#1348)

* wiki-scraper: Add wiki scroper to the main project

* client: Updated wiki stats

* wiki-scraper: Checkstyle

* wiki-scraper: Pull in @Ganom his changes

* client: Updated wiki stats

build.gradle

@@ -51,6 +51,7 @@ ext {
     jogamp = '2.3.2'
     jopt = '5.0.4'
     junit = '4.12'
+    jupiter = '5.5.1'
     logback = '1.2.3'
     lombok = '1.18.8'
     mapstruct = '1.3.0.Final'
@@ -64,6 +65,7 @@ ext {
     netty = '4.1.37.Final'
     okhttp3 = '4.1.0'
     orangeExtensions = '1.0'
+    petitparser = '2.2.0'
     plexus = '3.2.1'
     rxjava = '2.2.11'
     rxrelay = '2.1.0'