update changelog for post-1.0.0b7

CHANGELOG.md

@@ -3,13 +3,19 @@ All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## Unreleased
+### Added
+- `scriptworker.artifacts` is a new submodule that defines artifact behavior
+- we now support `pushapk` scriptworker instance types in `cot.verify`
 
 ### Changed
 - `freeze_values` is now `get_frozen_copy`, and now returns a frozen copy instead of modifying the object in place.
 - `unfreeze_values` is now `get_unfrozen_copy`
 - `check_config` now calls `get_frozen_copy` on the `config` before comparing against `DEFAULT_CONFIG`
 - `create_config` calls `get_unfrozen_copy`, resulting in a recursively frozen config
 - `DEFAULT_CONFIG` now uses `frozendict`s and `tuple`s in nested config items.
+- `.asc` files are now forced to `text/plain`
+- all `text/plain` artifacts are now gzipped, including .log, .asc, .json, .html, .xml
+- we no longer have `task_output.log` and `task_error.log`.  Instead, we have `live_backing.log`, for more treeherder-friendliness
 
 ## [1.0.0b7] - 2017-01-18
 ### Added