Install metad configure files (vesoft-inc#13)

Co-authored-by: yixinglu <[email protected]>

conf/CMakeLists.txt

@@ -1,18 +1,50 @@
+# Copyright (c) 2021 vesoft inc. All rights reserved.
+#
+# This source code is licensed under Apache 2.0 License,
+# attached with Common Clause Condition 1.0, found in the LICENSES directory.
+
 # These configuration files are for reference to generate your own customized ones.
 # Thus, they are installed as read-only, even for the owner.
+
 install(
-    FILES
-        nebula-graphd.conf.default
-        nebula-graphd.conf.production
-        nebula-storaged.conf.default
-        nebula-storaged.conf.production
-        nebula-storaged-listener.conf.production
-    PERMISSIONS
-        OWNER_READ
-        GROUP_READ
-        WORLD_READ
-    DESTINATION
-        etc
-    COMPONENT
-        graph
-)
+  FILES
+    nebula-graphd.conf.default
+    nebula-graphd.conf.production
+  PERMISSIONS
+    OWNER_READ
+    GROUP_READ
+    WORLD_READ
+  DESTINATION
+    etc
+  COMPONENT
+    graph
+  )
+
+install(
+  FILES
+    nebula-metad.conf.default
+    nebula-metad.conf.production
+  PERMISSIONS
+    OWNER_READ
+    GROUP_READ
+    WORLD_READ
+  DESTINATION
+    etc
+  COMPONENT
+    meta
+  )
+
+install(
+  FILES
+    nebula-storaged.conf.default
+    nebula-storaged.conf.production
+    nebula-storaged-listener.conf.production
+  PERMISSIONS
+    OWNER_READ
+    GROUP_READ
+    WORLD_READ
+  DESTINATION
+    etc
+  COMPONENT
+    storage
+  )

scripts/CMakeLists.txt

@@ -1,3 +1,8 @@
+# Copyright (c) 2021 vesoft inc. All rights reserved.
+#
+# This source code is licensed under Apache 2.0 License,
+# attached with Common Clause Condition 1.0, found in the LICENSES directory.
+
 install(
     FILES
         nebula-storaged.service

src/graph/context/ExecutionContext.h

@@ -21,12 +21,12 @@ class QueryInstance;
  *
  * The context is NOT thread-safe. The execution plan has to guarantee
  * all accesses to context are safe by pre-allocate all place for variables in
- *semantic analysis and the single variable is accessed sequentially in runtime,
- *so don't add/delete variable in runtime it's safe to access The life span of
- *the context is same as the request. That means a new context object will be
- *created as soon as the query engine receives the query request. The context
- *object will be visible to the parser, the planner, the optimizer, and the
- *executor.
+ * semantic analysis and the single variable is accessed sequentially at runtime,
+ * so don't add/delete variable at runtime it's safe to access The life span of
+ * the context is same as the request. That means a new context object will be
+ * created as soon as the query engine receives the query request. The context
+ * object will be visible to the parser, the planner, the optimizer, and the
+ * executor.
  *
  **************************************************************************/
 class ExecutionContext {