Remove the DMAPI requirement

- Add field to DreamMaker model
- Add permission
- Add migrations
- Add Incompatible ApiValidationStatus
- Send admin watchdog chat message when manual reboot required
- Remove DeadSessionController
- Suppress some chat tracking context logspam
- Add more session creation logging
- Add tests

tests/DMAPI/ApiFree/Test.dm

@@ -0,0 +1,2 @@
+/world/New()
+	log << "Hello world!"

tests/DMAPI/ApiFree/api_free.dme

@@ -0,0 +1,15 @@
+// Hand crafted DME, will not work if saved with DreamMaker
+
+// BEGIN_INTERNALS
+// END_INTERNALS
+
+// BEGIN_FILE_DIR
+#define FILE_DIR .
+// END_FILE_DIR
+
+// BEGIN_PREFERENCES
+// END_PREFERENCES
+
+// BEGIN_INCLUDE
+#include "Test.dm"
+// END_INCLUDE

tests/DMAPI/LongRunning/long_running_test_copy.dme

@@ -0,0 +1,17 @@
+// Hand crafted DME, will not work if saved with DreamMaker
+
+// BEGIN_INTERNALS
+// END_INTERNALS
+
+// BEGIN_FILE_DIR
+#define FILE_DIR .
+// END_FILE_DIR
+
+// BEGIN_PREFERENCES
+// END_PREFERENCES
+
+// BEGIN_INCLUDE
+#include "Config.dm"
+#include "..\tgs_include.dm"
+#include "Test.dm"
+// END_INCLUDE