Added more test scripts: Mono on Linux, and one for all.

Change-Id: Ia107557225db27b396f0d666c5c5b1b324ea22fa
Tested: on Linux.

tests/FlatBuffers.Test/NetTest.sh

+#!/bin/sh
+
+# Testing C# on Linux using Mono.
+
+mcs -out:fbnettest.exe ../../net/FlatBuffers/*.cs ../MyGame/Example/*.cs FlatBuffersTestClassAttribute.cs FlatBuffersTestMethodAttribute.cs Assert.cs FlatBuffersExampleTests.cs Program.cs ByteBufferTests.cs FlatBufferBuilderTests.cs FlatBuffersFuzzTests.cs FuzzTestData.cs Lcg.cs TestTable.cs
+./fbnettest.exe
+rm fbnettest.exe
+rm Resources/monsterdata_cstest.mon
+

tests/TestAll.sh

+echo "************************ Java:"
+
+sh JavaTest.sh
+
+echo "************************ Go:"
+
+sh GoTest.sh
+
+echo "************************ Python:"
+
+sh PythonTest.sh
+
+echo "************************ JavaScript:"
+
+sh JavaScriptTest.sh
+
+echo "************************ TypeScript:"
+
+sh TypeScriptTest.sh
+
+echo "************************ C++:"
+
+cd ..
+./flattests
+cd tests
+
+echo "************************ C#:"
+
+cd FlatBuffers.Test
+sh NetTest.sh
+cd ..
+
+echo "************************ PHP:"
+
+php phpTest.php
+
+echo "************************ C:"
+
+echo "(in a different repo)"
+
+echo "************************ Swift:"
+
+echo "(in a different repo)"