fixed bug on caching and pathway workaround
[#33919] Don't overwrite the path in the 'uri.request' JUri instance
Fix issues with XCache cache handler

Fix issues with XCache cache handler when it is enabled in the Joomla! Global Configuration but not available on the hosting environment.

http://joomlacode.org/gf/project/joomla/tracker/?action=TrackerItemEdit&tracker_item_id=20476
Cleaned up using phpcs and proper formatting (mainly newlines)
Updatong TinyMCE to version 4.1.2
Adding hr plugin to Advanced mode as it will be taken away from main js
in next Tiny Version.
Adding changelog update
Merge pull request #3923 from infograf768/Tiny412

[#33970] Updating TinyMCE to version 4.1.2
Merge pull request #3878 from yireo/patch-3

[#20476] Fix issues with XCache cache handler
Merge pull request #2768 from grisoni77/fix-cache

fixed bug on caching and pathway workaround
Updating fr.js Tiny lang file
Merge pull request #3856 from zjw/fix_uri.request_overwriting

[#33919] Incorrect redirect when destination is a relative path in the Redirect component
Updating Tiny lang files: be.js, ca.js, cs.js, da.js, de.js, fi.js,
hu.js, id.js, it.js, ja.js, lv.js, mk.js, nl.js, sk.js, sv.js, sw.js,
ta.js
Adding Galician gl-ES installation language
Adding Galician flag
Adding Galician flag for auto-multilang
CodeStyle