Rebase and improve CHANGELOG.md for zcash_primitives

zcash_primitives/CHANGELOG.md

@@ -23,6 +23,11 @@ and this library adheres to Rust's notion of
   - `zip317::FeeRule::non_standard` has been moved behind the `non-standard-fees`
     feature flag. Using a non-standard fee may result in a transaction that cannot
     be mined on the current `Zcash` network.
+- Refactored `AccountBalance` to use `Balance` for transparent funds (issue #1411).
+  `AccountBalance` now has an `unshielded_balance()` function that returns `Balance`. 
+  This does not currently distinguish between pending change and non-change; the 
+  pending value is all counted as non-change. Ability to distinguish such funds is 
+  tracked by issue #1592
 
 ### Deprecated
 - `zcash_primitives::transaction::fees`:
@@ -52,10 +57,6 @@ and this library adheres to Rust's notion of
 
 ### Changed
 - Migrated to `zcash_address 0.6`.
-- Refactored `AccountBalance` to use `Balance` for transparent funds (issue #1411).
-  `AccountBalance` now has an `unshielded_balance()` that uses `Balance`. This does
-  not currently distinguish between pending change and non-change; the pending value
-  is all counted as non-change.
 
 ### Fixed
 - The previous release did not bump `zcash_address` and ended up depending on