Prepares for 2.0.0 release

- Updates dependencies to stable (no alpha or rc) versions
- Updates branch aliases:
  - dev-master => 2.0.x-dev
  - dev-develop => 2.1.x-dev
  - Removes dev-release-2.0.0 entry
- Updates CHANGELOG:
  - Merges alpha entries into a single 2.0.0 entry with today's date
  - Removes empty 1.5.0 stub

Author: weierophinney

CHANGELOG.md

@@ -2,30 +2,7 @@
 
 All notable changes to this project will be documented in this file, in reverse chronological order by release.
 
-## 2.0.0alpha2 - 2018-02-07
-
-### Added
-
-- Nothing.
-
-### Changed
-
-- Nothing.
-
-### Deprecated
-
-- Nothing.
-
-### Removed
-
-- Nothing.
-
-### Fixed
-
-- [#53](https://github.com/zendframework/zend-expressive-zendviewrenderer/pull/53)
-  adds the missing default layout.
-
-## 2.0.0alpha1 - 2018-02-06
+## 2.0.0 - 2018-03-15
 
 ### Added
 
@@ -78,29 +55,8 @@ All notable changes to this project will be documented in this file, in reverse
 
 ### Fixed
 
-- Nothing.
-
-## 1.5.0 - TBD
-
-### Added
-
-- Nothing.
-
-### Changed
-
-- Nothing.
-
-### Deprecated
-
-- Nothing.
-
-### Removed
-
-- Nothing.
-
-### Fixed
-
-- Nothing.
+- [#53](https://github.com/zendframework/zend-expressive-zendviewrenderer/pull/53)
+  adds the missing default layout.
 
 ## 1.4.2 - 2018-03-15
 

composer.json

@@ -23,9 +23,9 @@
         "php": "^7.1",
         "psr/container": "^1.0",
         "psr/http-message": "^1.0.1",
-        "zendframework/zend-expressive-helpers": "^5.0.0alpha1 || ^5.0",
-        "zendframework/zend-expressive-router": "^3.0.0alpha1 || ^3.0",
-        "zendframework/zend-expressive-template": "^2.0.0alpha1 || ^2.0",
+        "zendframework/zend-expressive-helpers": "^5.0",
+        "zendframework/zend-expressive-router": "^3.0",
+        "zendframework/zend-expressive-template": "^2.0",
         "zendframework/zend-servicemanager": "^2.7.8 || ^3.3",
         "zendframework/zend-view": "^2.8.1"
     },
@@ -52,9 +52,8 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.4.x-dev",
-            "dev-develop": "1.5.x-dev",
-            "dev-release-2.0.0": "2.0.x-dev"
+            "dev-master": "2.0.x-dev",
+            "dev-develop": "2.1.x-dev"
         },
         "zf": {
             "config-provider": "Zend\\Expressive\\ZendView\\ConfigProvider"