Enable use of vault password for --syntax-check, --list-hosts and --list-tasks
Added integration tests for encrypted vars
Enabled integration tests for encrypted vars in Makefile
Back-porting 1.6.x release info into CHANGELOG/RELEASES and packaging
Merge branch 'pr_fix2' of https://github.com/carlanton/ansible into carlanton-pr_fix2
Change name of vault integration test
Merge branch 'carlanton-pr_fix2' into devel