Added doc + test for ldap_nestedgroups

Added explicit error when using indexer_discovery without setting cm

Fixes service status confusion, Closes jorritfolmer#16

Fixes for upgrade, see jorritfolmer#21. Boot-start fixes for older Sp…

…lunk UF versions

Added indexer discovery

Added requireclientcert

Added support for Windows

Fixes issue jorritfolmer#11

Arrows according to Puppet style guide

Arrows according to Puppet style guide