Refer developers to the vagrant vm and remove out of date documentation.

CONTRIBUTING.md

@@ -15,16 +15,12 @@ We will only accept pull requests if:
 * It's quality code
 * We like it :)
 
-## [You may need a developer VM](https://github.com/gitlabhq/developer-vm)
+For examples of feedback on pull requests please look at the [closed pull requests](https://github.com/gitlabhq/gitlabhq/pulls?direction=desc&page=1&sort=created&state=closed).
 
-## Running tests
-
-To run the specs for GitLab, you need to run seeds for test db.
+## Installation
 
-    cd gitlabhq
-    rake db:seed_fu RAILS_ENV=test
+Install the Gitlab development in a virtual machine with the [Gitlab Vagrant virtual machine](https://github.com/gitlabhq/gitlab-vagrant-vm). Installing it in a virtual machine makes it much easier to set up all the dependencies for integration testing.
 
-Then you can run the test suite with rake:
-
-    rake gitlab:test
+## Running tests
 
+For more information on running the tests please read the [development tips](https://github.com/gitlabhq/gitlabhq/blob/master/doc/development.md)

doc/development.md

 ## Development tips:
 
-### Start application in development mode
 
-#### 1. Via foreman 
+### Installation
+
+Install the Gitlab development in a virtual machine with the [Gitlab Vagrant virtual machine](https://github.com/gitlabhq/gitlab-vagrant-vm). Installing it in a virtual machine makes it much easier to set up all the dependencies for integration testing.
 
-    bundle exec foreman -p 3000
 
-#### 2. Via gitlab cli
+### Start application in development mode
+
+#### 1. Via gitlab cli
 
     ./gitlab start
 
-#### 3. Manually
+#### 2. Manually
 
     bundle exec rails s
     bundle exec rake environment resque:work QUEUE=* VVERBOSE=1
 
 
-### Run tests: 
- 
-#### 1. Packages
-
-    # ubuntu
-    sudo apt-get install libqt4-dev libqtwebkit-dev
-    sudo apt-get install xvfb
-   
-    # Mac 
-    brew install qt
-    brew install xvfb
-
-#### 2. DB & seeds
+### Test DB seutup & seed
 
     bundle exec rake db:setup RAILS_ENV=test
     bundle exec rake db:seed_fu RAILS_ENV=test
 
-###  3. Run Tests
+
+###  Run the Tests
 
     # All in one
     bundle exec rake gitlab:test