Cleanup unit test support code (RIPD-1380):

* Remove `src/test/support/mao`
* Flatten `src/test/support/jtx` to `src/test/jtx`

src/test/jtx/impl/quality2.cpp

@@ -0,0 +1,73 @@
+//------------------------------------------------------------------------------
+/*
+    This file is part of rippled: https://github.com/ripple/rippled
+    Copyright (c) 2016 Ripple Labs Inc.
+
+    Permission to use, copy, modify, and/or distribute this software for any
+    purpose  with  or without fee is hereby granted, provided that the above
+    copyright notice and this permission notice appear in all copies.
+
+    THE  SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+    WITH  REGARD  TO  THIS  SOFTWARE  INCLUDING  ALL  IMPLIED  WARRANTIES  OF
+    MERCHANTABILITY  AND  FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+    ANY  SPECIAL ,  DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+    WHATSOEVER  RESULTING  FROM  LOSS  OF USE, DATA OR PROFITS, WHETHER IN AN
+    ACTION  OF  CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+//==============================================================================
+
+#include <BeastConfig.h>
+#include <test/jtx/quality.h>
+#include <ripple/protocol/SField.h>
+#include <ripple/protocol/Quality.h>
+
+namespace ripple {
+namespace test {
+namespace jtx {
+
+qualityInPercent::qualityInPercent (double percent)
+: qIn_ (static_cast<std::uint32_t>((percent / 100) * QUALITY_ONE))
+{
+    assert (percent <= 400 && percent >= 0);
+}
+
+qualityOutPercent::qualityOutPercent (double percent)
+: qOut_ (static_cast<std::uint32_t>((percent / 100) * QUALITY_ONE))
+{
+    assert (percent <= 400 && percent >= 0);
+}
+
+static void
+insertQualityIntoJtx (SField const& field, std::uint32_t value, JTx& jt)
+{
+    jt.jv[field.jsonName] = value;
+}
+
+void
+qualityIn::operator()(Env&, JTx& jt) const
+{
+    insertQualityIntoJtx (sfQualityIn, qIn_, jt);
+}
+
+void
+qualityInPercent::operator()(Env&, JTx& jt) const
+{
+    insertQualityIntoJtx (sfQualityIn, qIn_, jt);
+}
+
+void
+qualityOut::operator()(Env&, JTx& jt) const
+{
+    insertQualityIntoJtx (sfQualityOut, qOut_, jt);
+}
+
+void
+qualityOutPercent::operator()(Env&, JTx& jt) const
+{
+    insertQualityIntoJtx (sfQualityOut, qOut_, jt);
+}
+
+} // jtx
+} // test
+} // ripple