Refactor test build scripts

test/example/common/Jamfile

@@ -0,0 +1,30 @@
+#
+# Copyright (c) 2016-2017 Vinnie Falco (vinnie dot falco at gmail dot com)
+#
+# Distributed under the Boost Software License, Version 1.0. (See accompanying
+# file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+#
+# Official repository: https://github.com/boostorg/beast
+#
+
+local SOURCES =
+    detect_ssl.cpp
+    mime_types.cpp
+    rfc7231.cpp
+    session_alloc.cpp
+    ssl_stream.cpp
+    write_msg.cpp
+    ;
+
+local RUN_TESTS ;
+
+for local f in $(SOURCES)
+{
+    RUN_TESTS += [ compile $(f) ] ;
+}
+
+alias run-tests : $(RUN_TESTS) ;
+
+alias build-fat : run-tests ;
+
+explicit build-fat ;