reorder usermod options
further compatibility with older versions of python-apt (#5853)
Revising method for parsing ranges from --limit subsets

Also added a new test (test_subset_range) for future validation.

Fixes #4620
allow ansible_ssh_private_key_file to be templated (thanks to benno)
removed comment
allow templating of ansible_ssh_private_key_file also in the synchronize module
Add creates= and removes= to the script: action
Add data test for ping
Move integration tests into tests_new.
Rename tests to test, use old directory name.
reconnect unit tests to 'make tests'
Update README.md
fix json typo
Added ansible-vault to the installer
Merge pull request #6103 from bryfry/patch-1

fix json typo in documentation
Merge pull request #6105 from tonk/with_vault

Added ansible-vault to the installer
Add async test role
Add handlers test
Add test for basic lookups
Update README.md

Minor readme tweaks since I haven't edited this in a while.