Merge pull request geerlingguy#188 from geerlingguy/BlackMesh-run_as_…

…non_root

More correctly and automatically support running the role as a user other than root

Adjust geerlingguy#176 for backwards compatibility.

Fixes geerlingguy#175: Problems with Ansible 2.2.0.

Merge pull request geerlingguy#135 from JorisVanEijden/132-overridabl…

…e-variables

Provide overridable OS-specific defaults.

Allow mysql_supports_innodb_large_prefix to be configured for RHEL 6.

Fix Travis CI test failures due to Docker version (geerlingguy#159)

* Test some failure scenarios.

* Try older version of Docker.

* Fix Travis syntax error.

Merge pull request geerlingguy#149 from geerlingguy/prefix-fix

Issue geerlingguy#139: Better defaults for large prefix support.

Merge pull request geerlingguy#140 from geerlingguy/mysql-large-prefix

Fixes geerlingguy#139: Add configuration for innodb_large_prefix.

Merge pull request geerlingguy#131 from geerlingguy/fix-root-pw-57

Update secure-installation for correct root password in 5.7+.

Merge pull request geerlingguy#130 from UnrealQuester/master

Fix role failing in check mode