Clean up CLI naming

Now that all applications run through one CLI, names like run() don't
make a lot of sense.  Update names to match the new reality, make bmcweb
with no arguments launch the webserver once again.

Tested: bmcweb boots.
Change-Id: I011b57507872a9518a9c470b58779805504c7293
Signed-off-by: Ed Tanous <etanous@nvidia.com>
diff --git a/src/webserver_run.cpp b/src/webserver_run.cpp
index a717a8d..b7c014e 100644
--- a/src/webserver_run.cpp
+++ b/src/webserver_run.cpp
@@ -48,7 +48,7 @@
     BMCWEB_LOG_INFO("Requested log-level change to: {}", logLevel);
 }
 
-int run()
+int runWebserver()
 {
     boost::asio::io_context& io = getIoContext();
     App app;