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* Fix some ambiguous translations
* Test locales generation
* Few other fixes
* Rely on configured plural number rather than hardcoded 2
* Use item names

* fix adding problem - see #5689

* fix adding ticket - see #5689

* fix adding change - see #5689

* fix adding ticket from change - see #5689

* fix adding ticket from deleted item - fixed #5689

* fix previous - fixed #5689

* fix previous - fixed #5689

* add item in a closed ticket - fixed #5689

* add kb in a closed ticket - fixed #5689

* add kb, item or cost in a closed ticket - fixed #5689

* add projet and project task in a closed ticket - fixed #5689

Backport from master

Migrate visibility queries parts
Migrate to iterator
Replace addVisibilityRestrict
Change addVisibilityJoins
drop _SESSION['glpi_faqcategories']
Can use condition from an array (direct) or a sha string (session)

* Update copyright to 2018 (modify_headers.pl)

* Remove trailing line feed before licence header

* revert licence.txt

* Rename licence.txt to license.txt

Cleaning of @brief / @file
@since version x.y => @since x.y (cf docdev)

Replace back2top stuff
Replace main menu icons with fontawesome ones
Use fontawesome to display bookmarks icons
Drop no longer used method
Report and adapt themes
Make possible to pass a fontawesome class instead of an image to display a simple form
Move backtotop out ou #page to prevent too specific CSS
Do not drop images that are used into plugins :/
Display all warning message at once on central page
Try to add a more comprehensive mark for autofill values

Update open comment style on actual headers
Update copyright message
Update copyright date
Delete old copyright on unhandled files (.htaccess, .sql, .sh, .pl, .html, .MD)
Update script :
  - svn -> git + exclude vendor & plugins
  - Add ability to manage .pl, .sh and .sql files
  - Add ability ot have a specific comment character set
  - Add ability to detect files without copyright and request dev action

Update copyright header on all php files using modify_header.pl
Update copyright for .sql, .pl and .sh files

This reverts commit c585ff16.

* Fix #1488 : update year on copyright header on all files (2016 -> 2017)
+ Apply same template on each files (before was 4 differents templates)
+ Add words "and contributors" on actual copyright as in template (b1a4e827)

* Issue #1476 - fix bad display of attachment's date in a ticket

* Revert "Issue #1476 - fix bad display of attachment's date in a ticket"

This reverts commit 2efd34c0.

* Fix #1488 : update year on copyright header on all files (2016 -> 2017)
+ Apply same template on each files (before was 4 differents templates)
+ Add words "and contributors" on actual copyright as in template (b1a4e827)

* Resolve PR conflicts

Apply PHPCS rule Generic.Functions.FunctionCallArgumentSpacing (White space after comma in function call) (#1490)

* Apply PHPCS rule 
  <!-- White space after comma in function call -->
  <rule ref="Generic.Functions.FunctionCallArgumentSpacing" />

+ Fix current code for this rule
=> using phpcbf (phpcs tool)

Part of #1209

* Apply PHPCS rule

  <!-- White space after comma in function call -->
  <rule ref="Generic.Functions.FunctionCallArgumentSpacing" />

+ Fix current code for this rule
=> using phpcbf (phpcs tool)

Part of #1209

* add phpcs in travis + fixes
Check white spaces and more than 2 empty lines

* Add phpcs rules: indent 3 spaces and no tab in indent + fix in code

* Fix indent

* Fix indent

* Add rule for remove closing tags + fix in files

Signed-off-by: Stefan Weil <sw@weilnetz.de>