default_spec: add failing test for creating the default log path
dbconfig: ensure logpath is not set when syslog is active
mongodb_config_helpers: add
config_helper_spec: add failing case for empty string
to_boost_program_options: do not render entries with value: ''
install: ensure template is rendered with reqd helpers
Merge pull request #310 from josephholsten/logpath-still-created

Cannot override default config values with nil