Pin to 2.4.11 series

- Updates composer.phar to stable 1.3.0 version
- Pins ZF to `~2.4.11`
- Updates git ignore rules to simplify for actual usage

Author: weierophinney

.gitignore

@@ -7,4 +7,6 @@ nbproject
 .project
 .settings
 composer.lock
-vendor/bin
+vendor/
+!vendor/README.md
+!vendor/ZF2/

composer.json

@@ -9,6 +9,6 @@
     "homepage": "http://framework.zend.com/",
     "require": {
         "php": ">=5.3.3",
-        "zendframework/zendframework": "2.2.7"
+        "zendframework/zendframework": "~2.4.11"
     }
 }