add some detail when rescuing download errors
Add pgloader 3.0.99

Installs pgloader from a .pkg file from pgloader.io

pgloader is a program designed to make it easier to load data
into the PostgreSQL RDBMS
put gpsbabel utility function inside namespace

and document the conventions for doing so
Merge pull request #4830 from rolandwalker/download_error_message_detail

add some detail when rescuing download errors
Merge pull request #4832 from aguynamedryan/pgloader

Add pgloader 3.0.99
Updated Hermes

Bring version to latest (1.2.1)
Merge pull request #4846 from ws/patch-1

Updated Hermes
Merge pull request #4831 from rolandwalker/gpsbabel_namespace

put gpsbabel.rb utility function inside namespace