Fix Directory Hardcodes, Documentation Improvements (#10)

* Improve the main crontab example.

* Remove /opt/Docker hardcodes.

* Add periods.

* Improve readability.

* Begin removing hardcoded path from the bin files.

* Update main README to no longer enforce hardcoded path. Other improvements.

* Add the load folder with a README.

* Add load folder and its README.

* Improve reverse proxy text files.

* Switch to tabs.

* Update all scripts for tabs, DOCKER_HOME, and comments.

* Let users know the directory choice is optional.

* Fix environment file.

* Add more details for the reverse proxy load balancing.

* Don't actually listen for postgres.

* Fix comments on source file.

* Be more explicit on the pathing.

source.env

@@ -1,19 +1,7 @@
-#!/bin/bash
 # Provide any necessary project variables.
-# Script is a shell file so that the paths can be relative.
+# Needs run in the current shell environment, such as:
+#   source /PATH_TO_GIT_PROJECT/source.env
 
-DIR=`dirname $0`
-if [[ $DIR == \.* ]]; then
-	DIR=`pwd`
-fi
-
-# Some projects are hard-coded to use /opt/Docker/Volumes so display a notice
-#  until they are updated to be directory agnostic. Will help with testing!
-PREFERRED_HOME="/opt/Docker"
-if [[ $DIR != $PREFERRED_HOME ]]; then
-	echo "WARNING: Preferred home is $PREFERRED_HOME but using $DIR." >&2
-fi
-
-DOCKER_HOME=$DIR
-DOCKER_PATH=$DOCKER_HOME/bin
-PATH=$DOCKER_PATH:$PATH
+export DOCKER_HOME="$(dirname -- "${BASH_SOURCE[0]}")"
+export DOCKER_PATH="$DOCKER_HOME/bin"
+export PATH="$DOCKER_PATH:$PATH"