Export attachments info from tv3 history

Only export attachments info (ie. not actual data so far)

Change-Id: Ic38ee39d758fe86741cba4782c5ea71008c4f444
Include files with export

Change-Id: I65a3e34b3fefeefa857a5c561187c0393c0cdc43
Fix issue with several artifact: they mess each others due to initial_changeset

+ rename files to file
+ Fixes and typo from previous review: Change-Id: Ic38ee39d758fe86741cba4782c5ea71008c4f444

Change-Id: I060607b907d59045149a647b514c657d753627dd
generating RNC and RNG for files export

Change-Id: I590a85ce0139f195cd21df0b2875d45acfb6adae
Merge "Include files with export" into 5830_tv3totv5_attachments
Merge "Fix issue with several artifact: they mess each others due to initial_changeset" into 5830_tv3totv5_attachments
Update conversion script with new export status

Change-Id: I7e0e3e1961693f64e4c633f3c01fa5d357e05dc5
story #5992 - Dump 'CC' values from tv3 and define RNC/RNG XML format

Change-Id: Ia53d9a4c4a4895a93b32c2a272fd97925077e84c
Add type to field_name to better qualify what we expect

Change-Id: I74297b9489eb27d10771bfde878d52a7979e7e6b
The XMLImport is now able to parse the XML File including attachments

Change-Id: Ife027fa7eb939b272c1685be7ff464b630e6423a
Merge changes I74297b94,Ia53d9a4c into 5830_tv3totv5_attachments

* changes:
  Add type to field_name to better qualify what we expect
  story #5992 - Dump 'CC' values from tv3 and define RNC/RNG XML format
Extract files to the filesystem

Change-Id: I6e243fab7576e4fb14662daf8e5c406f89516d36
Now exporting path of files in archive

Change-Id: If74cb7c00dc903ad01161d8f59968ab455dc05a6
Extract field_data extraction in a dedicated object

This brings readability and enforces SRP

Change-Id: Iad9800a676de061d7ae886ad020d180ad37f4d23
Importing files that works, baby

Manually created uploaded files cannot be moved with the php function
move_uploaded_file.

Change-Id: I13423bded45c93efeb845c6d04005ea8def4dc80
Merge "Extract field_data extraction in a dedicated object" into 5830_tv3totv5_attachments
now checking file ids from exported xml

Change-Id: I0663ae0645e87a2f6d2b7cd2a115febd1d8beaca
Import CC field data

Change-Id: Icac5eeb1523818aa9e4dd99968c3b50c3988b1eb
Merge remote-tracking branch 'bender/master' into HEAD

* bender/master: (147 commits)
  This is 6.10.99.16
  Fix bug #6219. Js error  on non cardwall pages
  This is Tuleap 6.10.99.15
  This is Tuleap 6.10.99.14
  Changing language values on home page link
  Fixing method to check if cardwall is enabled
  Fixing bug: cannot see milestones when they have no date fields
  Fixing bug : when release breadcrumbs have empty name, I cannot click them
  Fixing bug: past last milestones with same end date are hidden
  This is Tuleap 6.10.99.13
  Remove submit button in modal if the user is not logged in
  Adding real number of open/ closed items for a milestone
  Tuleap 6.10.99.12
  Tuleap 6.10.99.11
  This is Tuleap 6.10.99.10
  Burndown field is too big in IE
  Adding edit milestone button on the homepage
  refactoring to check if the burndown field of a milestone is usable
  Awesome-nification of the open/closed elements and fix some UI stuff
  This is Tuleap 6.10.99.9
  ...

Conflicts:
	plugins/tracker/include/autoload.php
	src/common/autoload.php

Change-Id: If265e524ffb89b168e7dd02e59377b813cd3175d
Merge remote-tracking branch 'bender/5830_tv3totv5_attachments' into HEAD

* bender/5830_tv3totv5_attachments:
  Import CC field data
  now checking file ids from exported xml
  Importing files that works, baby
  Extract field_data extraction in a dedicated object
  Now exporting path of files in archive
  Extract files to the filesystem
  The XMLImport is now able to parse the XML File including attachments
  Add type to field_name to better qualify what we expect
  story #5992 - Dump 'CC' values from tv3 and define RNC/RNG XML format
  Update conversion script with new export status
  generating RNC and RNG for files export
  Fix issue with several artifact: they mess each others due to initial_changeset
  Include files with export
  Export attachments info from tv3 history