When checking conditionals, don't dereference when the variable contains dashes

Fixes #4104
Update releases.txt
Update 1.4 specfile -- no need for node fireball package, release dates
Update Debian changelog for 1.4 builds.
Adding sshpass as packaging requirement and fixing VERSION
Merge branch 'devel' of https://github.com/ansible/ansible into add_az_support_to_ec2_elb
Fix type on enable_availability_zone and wait parameters in ec2_elb.