Rename a lot of files

* about_dialog -> AboutDialog
* bb_editor -> BBEditor
* export_project_dialog -> ExportProjectDialog
* setup_dialog -> SetupDialog
* string_pair_drag -> StringPairDrag

plugins/audio_file_processor/audio_file_processor.cpp

@@ -39,7 +39,7 @@
 #include "interpolation.h"
 #include "gui_templates.h"
 #include "ToolTip.h"
-#include "string_pair_drag.h"
+#include "StringPairDrag.h"
 #include "DataFile.h"
 
 #include "embed.cpp"

plugins/patman/patman.cpp

@@ -36,7 +36,7 @@
 #include "NotePlayHandle.h"
 #include "PixmapButton.h"
 #include "Song.h"
-#include "string_pair_drag.h"
+#include "StringPairDrag.h"
 #include "ToolTip.h"
 #include "FileDialog.h"
 

plugins/vestige/vestige.cpp

@@ -39,7 +39,7 @@
 #include "VstPlugin.h"
 #include "MainWindow.h"
 #include "PixmapButton.h"
-#include "string_pair_drag.h"
+#include "StringPairDrag.h"
 #include "TextFloat.h"
 #include "ToolTip.h"
 #include "FileDialog.h"

plugins/zynaddsubfx/ZynAddSubFx.cpp

@@ -39,7 +39,7 @@
 #include "InstrumentPlayHandle.h"
 #include "InstrumentTrack.h"
 #include "gui_templates.h"
-#include "string_pair_drag.h"
+#include "StringPairDrag.h"
 #include "RemoteZynAddSubFx.h"
 #include "LocalZynAddSubFx.h"
 #include "ControllerConnection.h"