Remove sha1 constraint from zend-view

Fixed upstream in packagist repo.

Author: weierophinney

composer.json

@@ -39,7 +39,7 @@
         "zendframework/zend-uri": "~2.5",
         "zendframework/zend-validator": "~2.5",
         "zendframework/zend-version": "~2.5",
-        "zendframework/zend-view": "dev-develop#82c537d8f as 2.6.0",
+        "zendframework/zend-view": "dev-develop as 2.6.0",
         "fabpot/php-cs-fixer": "1.7.*",
         "phpunit/PHPUnit": "~4.0"
     },