Revert "Added graylog2"

This reverts commit 2ef772efb00003107233fd068e2e550069d5fb04.
Revert "Import mongodb version 0.11.0"

This reverts commit 61f60fea592d7a429fcf4d14946fb48f19d5ee6d.
Revert "Import apache2 version 1.8.4"

This reverts commit 382f9b20f7a339435a8d885e8423ff45be75cf36.
Revert "Import graylog2 version 0.1.0"

This reverts commit 3b2f60889a79e33369849879ab7077a3fb241b4d.
Cleanig up roles