This avoids repeating parameters at each call, and makes sure the same
 parameters are used for escaping across fusiondirectory.
This commit also adds escaping in some places where there was none.

issue #6071

Also cleaned up "header" handling.
Removed print_header function which was doing two different things and
 misused in some places.

issue #6038

issue #5531

issue #6028

And convert global_get calls to get

issue #6024

Also global_is_set to is_set.

issue #6024

This allows to avoid ldap reads from pluglist::load, and should fix a
 crash happenning in index.php when using encrypted password in config
 file.

issue #6015

issue #5955

Fixes of spaces by php-cs-fixer

issue #5955

Basic fixes like identation

issue #5955

issue #5956

issue #5951

Going toward calling directly mainInc from plugin classes.
Should work fine for all management classes.

issue #5951

issue #5919

Made sure to empty alt attribute when an img is decoration and does not
 provide information.
In some files also fixed some alt content when it made sense

issue #5917

issue #5854

issue #5854

This allows to generate filters automagically most of the time and avoid
 duplicated informations.

issue #5135

issue #5831

This allows to do tab filters and property column without having to
 create objects of each tab.
Adaptations will be needed in all plugins.
This also activates new management class for groups to test it with
 several object types.

They may be intemediary classes like simpleMailMethodService

issue #5810

This reverts commit 5f875068.

Might slow down renaming a bit as all ACL assignment have to be opened,
 because the dn are base64 encoded in the LDAP field.

issue #5799

issue #5809

This avoids small efficiency issues in References tab and foreign key
 handling. Might also impact other parts of FD.

issue #5809

issue #5775

There was non-existing classes added to the info array in pluglist,
 which caused problems

closes #5700

There are some left in datepicker.js because of a bug in the sniffer,
 I did not find a way to fix that yet.

issue #5690

Remove this unused "$ui" local variable
Remove this unused "$config" local variable

Signed-off-by: Benoit Mortier <benoit.mortier@opensides.be>

Move this trailing comment on the previous empty line

Signed-off-by: Benoit Mortier <benoit.mortier@opensides.be>

Signed-off-by: Mortier Benoit <benoit.mortier@opensides.be>