Add NEWS file and improve Makefile

Makefile

@@ -58,6 +58,8 @@ profiling: venv venv-dev
 	@echo "Please complete and run: sudo ./venv/bin/py-spy record -o ./docs/_static/glances-flame.svg -d 60 -s --pid <GLANCES PID>"
 
 release-note:
-	git --no-pager log $(LASTTAG)..HEAD --first-parent --pretty=format:"* %s (by %an)"
+	git --no-pager log $(LASTTAG)..HEAD --first-parent --pretty=format:"* %s"
+	echo ""
+	git --no-pager shortlog -s -n $(LASTTAG)..HEAD
 
 .PHONY: test docs docs-server

NEWS.rst

@@ -1,15 +1,61 @@
 ==============================================================================
-Glances Version 3
+                                Glances changelog
 ==============================================================================
 
 ===============
-Version 3.1.8
+Version 3.2.0
 ===============
 
 Under Development.
 
 See roadmap here ==> https://github.com/nicolargo/glances/milestone/49
 
+This release is a major version (but minor number because the API did not change). It focus on
+*CPU consumption*. I use `Flame profiling https://github.com/nicolargo/glances/wiki/Glances-FlameGraph`_
+and code optimization to reduce CPU consumption from 20% to 50% depending on your system.
+
+Enhancement and development requests:
+
+    * Improve CPU consumption
+        - Make the refresh rate configurable per plugin #1870
+        - Add caching for processing username and cmdline
+        - Correct and improve refresh time method
+        - Set refresh rate for global CPU percent
+        - Set the dafault refresh rate of system stats to 60 seconds
+        - Default refresh time for sensors is refresh rate * 2
+        - Improve history perf
+        - Change main curses loop
+        - Improve Docker client connection
+        - Update Flame profiling
+    * Get system sensors temperatures thresholds #1864
+    * Filter data exported from Docker plugin
+    * Make the Docker API connection timeout configurable
+    * Add --issue to Github issue template
+    * Add release-note in the Makefile
+    * Add some comments in cpu_percent
+    * Add some comments to the processlist.py
+    * Set minimal version for PSUtil to 5.3.0
+    * Add comment to default glances.conf file
+    * Improve code quality #820
+    * Update WebUI for security vuln
+
+Bugs corrected:
+
+    * Quit from help should return to main screen, not exit #1874
+    * AttributeError: 'NoneType' object has no attribute 'current' #1875
+    * Merge pull request #1873 from metayan/fix-history-add
+    * Correct filter
+    * Correct Flake8 issue in plugins
+    * Pressing Q to get rid of irq not working #1792
+
+Contibutors for this version:
+
+    * Nicolargo
+    * Markus Pöschl
+    * Clifford W. Hansen
+    * Blake
+    * Yan
+
 ===============
 Version 3.1.7
 ===============