Test against several Augeas versions
Share an Augeas handler for all resources of a provider
Fix provider specs
kernel_parameter: fix grub2 provider for shared handler
sysctl: fix provider for shared handler
sysctl and pg_hba: make tmpdir outside of contexts
shellvar: Fix @logs test in specs (value= succeeds, flush fails)
sshd_config: reuse aug handler in match_exists?
Use augopen again for aug_version