Add arBaseTask super class to setup formatter

arBaseTask extends sfBaseTask with the intention of forcing a new maximum
line size in the formatter. This could be an alternative to the environment
variable COLUMNS where shell_exec() or tput are not available.
Use parent_id in query for descendants refs #6974
Added --json option to regen-derivatives ref#6975
Override NS and descendant queries fixes #6978

Previously we removed the nested set related code for digital objects
in BaseDigitalObject. We also changed the descendants query to
reflect this and use parent_id for the query instead of lft/rgt.

However, if the user regenerates the database model via propel, the
removed / modified code will revert back due to the generator not
reflecting the changes.

This fix will override the nested set / descendant methods in
QubitDigitalObject, and simply do nothing when they're called.
This should persist / solve the issue if the user ever regenerates
the model.
Merge remote-tracking branch 'somazx/master'

Conflicts:
	apps/qubit/modules/informationobject/actions/fullWidthTreeViewAction.class.php
Tweak default logging settings

[warning] or higher for every front-end (all)
[debub] or higher for the dev front-end
Ignore secure cookies in non-https sites
Show brick .bottom only if it applies
Fixed issue with physical object creation logic.

If a location was blank, a blank location would be associated with
the physical object. Fixed.
Nixed phys. object import location requirement.

Removed the requirement, during CSV import, to have a location associated
with a physical object.
Implemented progress indicator throttling.

Added logic to allow progress to be indicated visually every n items
and emoved unused CLI option.
Minor refactoring of export task.
Added bulk export flag to not export children.

Added a flag to the bulk export CLI task to not export children.
Avoid requiring the PHP readline extension if not necessary
The autocomplete.js code now checks for a data-autocomplete-delay attribute on the input element to override the default 1 second delay.
Link accessions to existing descriptions via parent slug

Indentation edits
Add configuration option to digitalobject:load task
Repository records - additional access points and facets.

Refs #5596.
Stop tracking empty uploads/ directory

It makes it harder when we use a symlink instead or mount points.
AtoM can still create the directory if it doesn't exist.
Support for params in cache_engine

cache_engine used to be a string containing the name of the class used in our
internal cache, e.g. sfAPCCache, sfAPCuCache, sfMemcacheCache, etc...
This commit adds support for a dictionary (class and param keys) in addition
to the old single-string format. This is very useful when we need to pass extra
settings to the cache engine, e.g.

New format:

  cache_engine:
    class: sfMemcacheClass
    param:
      [dict: see sfMemcacheClass for more details]

Old format (still supported):

  cache_engine: sfAPCCache