Require appledoc v2.2-963 exactly

scripts/ios/install.sh

@@ -16,6 +16,9 @@ mapbox_time "install_awscli" \
 brew install awscli
 
 mapbox_time "install_appledoc" \
-brew install appledoc22 && brew link --force appledoc22
+wget https://github.com/tomaz/appledoc/releases/download/v2.2-963/appledoc.zip && \
+tar xvzf appledoc.zip && \
+cp appledoc /usr/local/bin && \
+cp -Rf Templates/ ~/.appledoc
 
 mkdir -p ${KIF_SCREENSHOTS}