Refactor: Move more common stuff into shellrc
Bugfix: Switch to using date from the standard Homebrew install dir
Refactor: Rename shellwreck_shell_locations to SW_SHELL_HOMES
Refactor: Rename shellwreck_plugins_to_remove to SW_REMOVED_PLUGINS
Refactor: Rename shellwreck_plugins_to_add to SW_ADDITIONAL_PLUGINS

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Branch:        refactor/huge-loeader-refactoring
Signed-off-by: Jeff Felchner <accounts+git@thekompanee.com>
Refactor: Rename shellwreck_plugins to SW_PLUGINS
Feature: Update default plugins with additional plugins
Feature: Remove old, unused bin files
Refactor: Move and rename the shellwreck_loader file
Refactor: Rename shellwreck directory to lib
Refactor: Rename run_and_log to _sw_run_and_log
Refactor: Rename log to _sw_log
Refactor: Rename _sw_run_and_log to _sw_log_and_run
Refactor: Rename log_title to _sw_log_title
Refactor: Slight logger updates
Refactor: Create a shared installer lib file
Refactor: Replace absolute paths to reference
Refactor: Rename a couple local variables
Refactor: Slight refactoring to the lib plugins
Refactor: Comment updates