Intro
removed reference to db server from appservers
removed update apt keys and set cache_valid_time on update_cache
Added tag for etc_hosts
Use vagrant-cachier plugin to speed up apt.
config for private_key_file and ControlPersist=30m
explanations of config settings
ommited --quiet
sudo = True
removed unnecessary parameters defined in ansible.cfg
install java and maven
Java and Maven instructions
Update README.md

perhaps it's obvious, but whatteheck :)
Merge pull request #1 from tobiasgwaaler/patch-1

Update README.md
Update README.md

added information about virtualenv
Merge pull request #2 from tobiasgwaaler/patch-2

Update README.md
Added link to slides
Bullet points
Separated out java install

Conflicts:
	roles/app/tasks/main.yml

Conflicts:
	site.yml
updated jetty