Move all base wrapper classes from Plugin API to source folder (#5419)

* Small refactoring in TEMPLATE plugin

* Fixed compilation on Windows

* Fixed code style

* Hide CALL_STATUS_FNC helpers to private API

* Moved some base classes to private place from plugin_api

* Updates for VariableState creation

* Take Jane's changes for Demension names

* Revert "Take Jane's changes for Demension names"

This reverts commit 9f6c8fa5a6.

* Removed ICNNNetwork include

* removed more icnnnetwork includes

* Added missed include with ie_input_info.hpp

* Fixed GNA plugin to provide names w/o \0

docs/template_plugin/src/template_config.cpp

@@ -4,7 +4,6 @@
 
 #include <ie_plugin_config.hpp>
 #include <cpp_interfaces/interface/ie_internal_plugin_config.hpp>
-#include <cpp_interfaces/exception2status.hpp>
 
 #include "template_config.hpp"
 #include "template/template_config.hpp"