release: 2.10.0 readiness

- Updates branch aliases:
  - dev-master => 2.10.x-dev
  - dev-develop => 2.11.x-dev
- Updates CHANGELOG
  - removes empty stub for 2.9.2
  - sets date for 2.10.0

Author: weierophinney

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 All notable changes to this project will be documented in this file, in reverse chronological order by release.
 
-## 2.10.0 - TBD
+## 2.10.0 - 2019-01-30
 
 ### Added
 
@@ -35,28 +35,6 @@ All notable changes to this project will be documented in this file, in reverse
 
 - Nothing.
 
-## 2.9.2 - TBD
-
-### Added
-
-- Nothing.
-
-### Changed
-
-- Nothing.
-
-### Deprecated
-
-- Nothing.
-
-### Removed
-
-- Nothing.
-
-### Fixed
-
-- Nothing.
-
 ## 2.9.1 - 2019-01-07
 
 ### Added

composer.json

@@ -12,8 +12,8 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "2.9.x-dev",
-            "dev-develop": "2.10.x-dev"
+            "dev-master": "2.10.x-dev",
+            "dev-develop": "2.11.x-dev"
         },
         "zf": {
             "component": "Zend\\InputFilter",