Rename API to Stackspin

app.py

@@ -69,4 +69,4 @@ def expired_token_callback(*args):
 
 @app.route("/")
 def index():
-    return "Open App Stack API v1.0"
+    return "Stackspin API v1.0"

areas/__init__.py

@@ -6,4 +6,4 @@ api_v1 = Blueprint("api_v1", __name__, url_prefix="/api/v1")
 @api_v1.route("/")
 @api_v1.route("/health")
 def api_index():
-    return "Open App Stack API v1.0"
+    return "Stackspin API v1.0"