Paths - prefer /usr/bin/erl to erl on linux

Author: samaaron

app/server/ruby/paths.rb

@@ -195,7 +195,12 @@ def self.erlang_boot_path
         # "sh"
         File.absolute_path("#{native_path}/erlang/erl")
       else
-        "erl"
+        nix_erl_path = "/usr/bin/erl"
+        if File.exist?(nix_erl_path)
+          nix_erl_path
+        else
+          "erl"
+        end
       end
     end