Fixed help system.

Also switched from Sphinx generated HTML to GitHub markup help files.

This improves compatibility and will allow the help files to more easily be viewed on github as well.

dbc/dbcloadsavewindow.cpp

@@ -124,7 +124,7 @@ bool DBCLoadSaveWindow::eventFilter(QObject *obj, QEvent *event)
         switch (keyEvent->key())
         {
         case Qt::Key_F1:
-            HelpWindow::getRef()->showHelp("dbc_manager.html");
+            HelpWindow::getRef()->showHelp("dbc_manager.md");
             break;
         }
         return true;

dbc/dbcmaineditor.cpp

@@ -85,7 +85,7 @@ bool DBCMainEditor::eventFilter(QObject *obj, QEvent *event)
         switch (keyEvent->key())
         {
         case Qt::Key_F1:
-            HelpWindow::getRef()->showHelp("dbc_editor.html");
+            HelpWindow::getRef()->showHelp("dbc_editor.md");
             break;
         case Qt::Key_F3:
             handleSearchForward();

dbc/dbcmessageeditor.cpp

@@ -156,7 +156,7 @@ bool DBCMessageEditor::eventFilter(QObject *obj, QEvent *event)
         switch (keyEvent->key())
         {
         case Qt::Key_F1:
-            HelpWindow::getRef()->showHelp("messageeditor.html");
+            HelpWindow::getRef()->showHelp("messageeditor.md");
             break;
         }
         return true;

dbc/dbcnodeeditor.cpp

@@ -58,7 +58,7 @@ bool DBCNodeEditor::eventFilter(QObject *obj, QEvent *event)
         switch (keyEvent->key())
         {
         case Qt::Key_F1:
-            HelpWindow::getRef()->showHelp("nodeeditor.html");
+            HelpWindow::getRef()->showHelp("nodeeditor.md");
             break;
         }
         return true;

dbc/dbcsignaleditor.cpp

@@ -310,7 +310,7 @@ bool DBCSignalEditor::eventFilter(QObject *obj, QEvent *event)
         switch (keyEvent->key())
         {
         case Qt::Key_F1:
-            HelpWindow::getRef()->showHelp("signaleditor.html");
+            HelpWindow::getRef()->showHelp("signaleditor.md");
             break;
         }
         return true;