Add apache_directive type and provider
Add regexpi_supported? method
apache_directive: Support case-insensitive directives
sshd_config: Remove exists? method
sshd_config: Make keys case-insensitive for Augeas >= 1.0.0
Add Puppet 3.4 to .travis.yml
Add apache_directive to README
sshd_config_subsystem: Support case-insensitive entries with Augeas >= 1.0.0
Add aug_version method