Merge pull request #88 from cmoussa1/release-v0.5.0

NEWS.md: add release notes for v0.5.0

NEWS.md

@@ -1,3 +1,26 @@
+flux-accounting version 0.5.0 - 2020-12-18
+------------------------------------------
+
+#### Fixes
+
+* `print-hierarchy`'s error output more graceful when there are no accounts (#62)
+
+* `association_table`'s `user_name` field changed to `username` (#67)
+
+* **accounting_cli.py**'s `account` option changed to `bank` (#70)
+
+* variables in **print_hierarchy.cpp** moved from `global` scope (#71)
+
+* Python code converted over to use autotools, TAP, and sharness (#73)
+
+#### Features
+
+* `print-hierarchy` added as a C++ implementation to weighted tree lib (#64)
+
+* `delete-bank` recursively deletes sub banks and associations when a parent bank is deleted (#78)
+
+* `calc_usage_factor()` calculates a user's historical job usage value based on their job history (#79)
+
 flux-accounting version 0.4.0 - 2020-11-06
 ------------------------------------------