Merge remote-tracking branch 'origin/18_obs_needs_realm_added_to_path'
Merge remote-tracking branch 'origin/issue11_full_path_needed_for_parameter_file'
Merge remote-tracking branch 'origin/issues_12_15_9_more_checks'
Merge remote-tracking branch 'origin/issues_3_5_better_post_install_instructions'
typo fix
Added metrics version to install success blurb
typo fix
Edited install to actually have udunits2 and using it to check obs and model units match
Merge branch 'issue_19_build_udunits_for_units_checking' into devel