[TASK] Migrate constant editor JavaScript to jQuery

In our efforts to migrate all old-school JS to jQuery
RequireJS modules, there are a few small JS functions
related to the TypoScript constant editor which are
replaced by a proper RequireJS Module.

Resolves: #62624
Releases: master
Change-Id: Id0d5e4a986f0b94ef399da84ff20c0a026c7d795
Reviewed-on: http://review.typo3.org/33671
Reviewed-by: Oliver Hader <oliver.hader@typo3.org>
Tested-by: Oliver Hader <oliver.hader@typo3.org>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Benjamin Mack <benni@typo3.org>
Tested-by: Benjamin Mack <benni@typo3.org>
[TASK] Add XLF file checker for TRAVIS CI

The script checks for the presence of a t3:id in the XLF files.
Moreover the uniqueness is verified.

Resolves: #62965
Releases: master, 6.2
Change-Id: I8a2514b31c1484988ef7add937502424f64ed1e4
Reviewed-on: http://review.typo3.org/34184
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Revert "[TASK] Test other part of xlf check"

This reverts commit 4a83244abb47f1d553a423a2633335c119e56506.
Revert "[TASK] Speed up travis for a test"

This reverts commit 89a372ad14cea8164df50529b8cf76503a5fc0ec.
Revert "[TASK] Kill xlf checker"

This reverts commit d56e434ff99181a126d7a3896a3b1cc14b88d424.
Revert "[TASK] Add XLF file checker for TRAVIS CI"

This reverts commit 6a1a9919b268f2db8bb0eacf173ceaf46c150fb7.
Merge remote-tracking branch 'upstream/master'