Fixed accidentally removed status code in app/check.php
merged branch maxromanovsky/app-config-status-code-fix (PR #553)

This PR was submitted for the master branch but it was merged into the 2.3 branch instead (closes #553).

Discussion
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Fixed accidentally removed status code in app/check.php

Commits
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bbf5680 Fixed accidentally removed status code in app/check.php
updated VENDORS for 2.3.0
allow master branch to install 2.4-dev
added a hello world command in demo bundle
configure the log to console handler

we require ~2.4 now as we use a new feature that was introduced in 2.4
also allow doctrine 2.4 to be installed
Added 2.3 upgrade notes containing app_dev.php changes regarding debug component.
merged branch pinkeen/master (PR #561)

This PR was submitted for the master branch but it was merged into the 2.3 branch instead (closes #561).

Discussion
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Added 2.3 upgrade notes

After upgrading to symfony-2.3 I noticed that the debugging was crippled. I could not find anything in the upgrade notes, so here it is. I am not sure if I phrased it correctly.

PS Yes, I know, I should've subscribed symfony blog ages ago. I did so now.

Commits
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bdad65c Added 2.3 upgrade notes containing app_dev.php changes regarding debug component.
udpated the CHANGELOG for 2.3
Use kernel.http_method_override parameter
merged branch jeromemacias/use_http_method_override_parameter (PR #562)

This PR was submitted for the master branch but it was merged into the 2.3 branch instead (closes #562).

Discussion
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Use kernel.http_method_override parameter

Commits
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fa99d80 Use kernel.http_method_override parameter
merged branch Tobion/allow-dev-2.4 (PR #557)

This PR was merged into the master branch.

Discussion
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Add hello world command to demo bundle and configure new log to console handler

First commit: allows the master branch to install 2.4-dev.
Second commit: added a hello world command in demo bundle
Third commit: configure the log to console handler that is possible since symfony/MonologBundle#42

Commits
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0cafa50 also allow doctrine 2.4 to be installed
b47328a configure the log to console handler
7baa790 added a hello world command in demo bundle
8a246dc allow master branch to install 2.4-dev
Merge branch '2.3'

* 2.3:
  Use kernel.http_method_override parameter
  udpated the CHANGELOG for 2.3
  Added 2.3 upgrade notes containing app_dev.php changes regarding debug component.
  updated VENDORS for 2.3.0
  Fixed accidentally removed status code in app/check.php

Conflicts:
	composer.json