Remove installs now in base_user_data.sh and launch-solr-dev.sh user
data scripts.
Ignore .gz files
Add comment on tomcat dependency
Made base_user_data.sh minimal. For appstrap provisioned boxes.
manual merge branch 'master' of https://github.com/mredar/appstrap

Conflicts:
	ec2/base_user_data.sh
	ec2/launch-nuxeo-dev.sh