sdbusplus: use shorter type aliases

The sdbusplus headers provide shortened aliases for many types.
Switch to using them to provide better code clarity and shorter
lines.  Possible replacements are for:
  * bus_t
  * exception_t
  * manager_t
  * match_t
  * message_t
  * object_t
  * slot_t

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Ief1b330c4f623ecc1be771f36083780a12260834
diff --git a/src/network_manager.cpp b/src/network_manager.cpp
index ff41144..6e7deeb 100644
--- a/src/network_manager.cpp
+++ b/src/network_manager.cpp
@@ -40,7 +40,7 @@
 using namespace sdbusplus::xyz::openbmc_project::Common::Error;
 using Argument = xyz::openbmc_project::Common::InvalidArgument;
 
-Manager::Manager(sdbusplus::bus::bus& bus, const char* objPath,
+Manager::Manager(sdbusplus::bus_t& bus, const char* objPath,
                  const std::string& path) :
     details::VLANCreateIface(bus, objPath,
                              details::VLANCreateIface::action::defer_emit),
@@ -291,7 +291,7 @@
                                           NETWORKD_INTERFACE, "Reload");
         bus.call_noreply(method);
     }
-    catch (const sdbusplus::exception::exception& ex)
+    catch (const sdbusplus::exception_t& ex)
     {
         log<level::ERR>("Failed to reload configuration",
                         entry("ERR=%s", ex.what()));