Make a separate webpage for the C++ plotter

We no longer need to select it!  And we lose the wasted space up top.

Change-Id: I66f2915bda0ff21f8a01e64788a63796548f5ccc
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/frc971/analysis/in_process_plotter.cc b/frc971/analysis/in_process_plotter.cc
index f345ebc..585c933 100644
--- a/frc971/analysis/in_process_plotter.cc
+++ b/frc971/analysis/in_process_plotter.cc
@@ -6,7 +6,7 @@
 namespace analysis {
 
 namespace {
-const char *kDataPath = "frc971/analysis";
+const char *kDataPath = "frc971/analysis/cpp_plot";
 const char *kConfigPath = "frc971/analysis/plotter.json";
 }  // namespace