build: align minimum build dependencies with ndn-cxx

 * gcc 7.4
 * clang 6.0
 * Xcode 10.0 (11.3 or later recommended)

Change-Id: I365e7b1e2c9b081e512f511bf5beee2487cfc361
diff --git a/docs/RELEASE-NOTES.rst b/docs/RELEASE-NOTES.rst
deleted file mode 100644
index 04e2f84..0000000
--- a/docs/RELEASE-NOTES.rst
+++ /dev/null
@@ -1,4 +0,0 @@
-Release Notes
-=============
-
-.. include:: release-notes-latest.rst
diff --git a/docs/conf.py b/docs/conf.py
index 495d441..5b7a5ae 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -18,7 +18,7 @@
 # -- Project information -----------------------------------------------------
 
 project = u'PSync: Full/Partial Synchronization Protocol for NDN'
-copyright = u'Copyright © 2018-2021 Named Data Networking Project.'
+copyright = u'Copyright © 2018-2022 Named Data Networking Project.'
 author = u'Named Data Networking Project'
 
 # The short X.Y version.
diff --git a/docs/index.rst b/docs/index.rst
index 8dda472..7f40022 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -32,10 +32,10 @@
 
    install
    examples
-   RELEASE-NOTES
+   release-notes
    releases
 
 -  :doc:`install`
 -  :doc:`examples`
--  :doc:`RELEASE-NOTES`
+-  :doc:`release-notes`
 -  :doc:`releases`
diff --git a/docs/release-notes-latest.rst b/docs/release-notes-latest.rst
deleted file mode 120000
index 8609411..0000000
--- a/docs/release-notes-latest.rst
+++ /dev/null
@@ -1 +0,0 @@
-release-notes/release-notes-0.3.0.rst
\ No newline at end of file
diff --git a/docs/release-notes.rst b/docs/release-notes.rst
new file mode 100644
index 0000000..96d796b
--- /dev/null
+++ b/docs/release-notes.rst
@@ -0,0 +1,4 @@
+Release Notes
+=============
+
+.. include:: release-notes/release-notes-0.3.0.rst