add deprecation warnings for various functions

* sst_core_config_include_file_get_value_int()
* sst_core_config_include_file_get_value_str()
* sst_elements_config_include_file_get_value_int()
* sst_elements_config_include_file_get_value_str()
* sstsimulator_conf_get_value_int()
* sstsimulator_conf_get_value_str()
* _get_sst_config_include_file_value()

src/sst/core/testingframework/sst_unittest_support.py

@@ -426,6 +426,8 @@ def sst_core_config_include_file_get_value_int(define, default=None, disable_war
             SSTTestCaseException: if type is incorrect OR no data AND default
                                   is not provided
     """
+    warn("sst_core_config_include_file_get_value_int() is deprecated and will be removed in future versions of SST.",
+         DeprecationWarning, stacklevel=2)
     return _get_sst_config_include_file_value(test_engine_globals.TESTENGINE_CORE_CONFINCLUDE_DICT,
                                               "sst_config.h", define, default, int, disable_warning)
 
@@ -446,6 +448,8 @@ def sst_core_config_include_file_get_value_str(define, default=None, disable_war
             SSTTestCaseException: if type is incorrect OR no data AND default
                                   is not provided
     """
+    warn("sst_core_config_include_file_get_value_str() is deprecated and will be removed in future versions of SST.",
+         DeprecationWarning, stacklevel=2)
     return _get_sst_config_include_file_value(test_engine_globals.TESTENGINE_CORE_CONFINCLUDE_DICT,
                                               "sst_config.h", define, default, str, disable_warning)
 
@@ -468,6 +472,8 @@ def sst_elements_config_include_file_get_value_int(define, default=None, disable
             SSTTestCaseException: if type is incorrect OR no data AND default
                                   is not provided
     """
+    warn("sst_elements_config_include_file_get_value_int() is deprecated and will be removed in future versions of SST.",
+         DeprecationWarning, stacklevel=2)
     return _get_sst_config_include_file_value(test_engine_globals.TESTENGINE_ELEM_CONFINCLUDE_DICT,
                                               "sst_element_config.h", define, default, int, disable_warning)
 
@@ -488,6 +494,8 @@ def sst_elements_config_include_file_get_value_str(define, default=None, disable
             SSTTestCaseException: if type is incorrect OR no data AND default
                                   is not provided
     """
+    warn("sst_elements_config_include_file_get_value_str() is deprecated and will be removed in future versions of SST.",
+         DeprecationWarning, stacklevel=2)
     return _get_sst_config_include_file_value(test_engine_globals.TESTENGINE_ELEM_CONFINCLUDE_DICT,
                                               "sst_element_config.h", define, default, str, disable_warning)
 
@@ -509,6 +517,8 @@ def sstsimulator_conf_get_value_str(section, key, default=None):
         Raises:
             SSTTestCaseException: if no data AND default is not provided
     """
+    warn("sstsimulator_conf_get_value_str() is deprecated and will be removed in future versions of SST.",
+         DeprecationWarning, stacklevel=2)
     return _get_sstsimulator_conf_value(section, key, default, str)
 
 ###
@@ -527,6 +537,8 @@ def sstsimulator_conf_get_value_int(section, key, default=None):
         Raises:
             SSTTestCaseException: if no data AND default is not provided
     """
+    warn("sstsimulator_conf_get_value_int() is deprecated and will be removed in future versions of SST.",
+         DeprecationWarning, stacklevel=2)
     return _get_sstsimulator_conf_value(section, key, default, int)
 
 ###
@@ -1794,6 +1806,9 @@ def _get_sst_config_include_file_value(include_dict, include_source, define, def
        This will raise a SSTTestCaseException if a default is not provided or type
        is incorrect
     """
+    warn("_get_sst_config_include_file_value() is deprecated and will be removed in future versions of SST. \
+         Prefer <include_dict>.get() instead.",
+        DeprecationWarning, stacklevel=2)
     if data_type not in (int, str):
         raise SSTTestCaseException("Illegal datatype {0}".format(data_type))
     check_param_type("include_source", include_source, str)