Do gitolite calls async. Remove satellite with project remove

lib/gitlab/popen.rb

@@ -0,0 +1,18 @@
+module Gitlab
+  module Popen
+    def popen(cmd, path)
+      vars = { "PWD" => path }
+      options = { :chdir => path }
+
+      @cmd_output = ""
+      @cmd_status = 0
+      Open3.popen3(vars, cmd, options) do |stdin, stdout, stderr, wait_thr|
+        @cmd_status = wait_thr.value.exitstatus
+        @cmd_output << stdout.read
+        @cmd_output << stderr.read
+      end
+
+      return @cmd_output, @cmd_status
+    end
+  end
+end