XWIKI-5261 : Password hashes dumpable.
XWIKI-5261 : Password hashes dumpable.
XWIKI-5261 : Password hashes dumpable
XWIKI-11163: Cache wiki-based configuration sources
* fix user preferences bug
XWIKI-11193: Any Velocity macro defined in a template located in a skin stay in the VelocityEngine macros cache for good
Merge branch 'master' into feaure-usenewtemplaterenderer
Merge branch 'master' into feaure-usenewtemplaterenderer
XWIKI-11026: During exports, "macros.vm" from "defaultbaseskin" is always used instead of the one from the current skin
Merge branch 'master' into feaure-usenewtemplaterenderer

Conflicts:
	xwiki-platform-core/xwiki-platform-rendering/xwiki-platform-rendering-wikimacro/xwiki-platform-rendering-wikimacro-store/src/main/java/org/xwiki/rendering/wikimacro/internal/WikiMacroExecutionEventListener.java
XWIKI-11193: Any Velocity macro defined in a template located in a skin stay in the VelocityEngine macros cache for good
XWIKI-11193: Any Velocity macro defined in a template located in a skin stay in the VelocityEngine macros cache for good
[misc] Remove unused import
XWIKI-11208: New blog category page with special characters inside of it is not created

- better use HTML than wiki syntax link as this prevents injection of a '#'in the name
- as it is othersie not testable very well, also exclude wiki links in the category
  via brute force escape and get the tests away from being happy with the RSS link
XWIKI-11151: Add a button for "Cancel" option when you create a new category on Blog

 - by adding class="btn btn-default" to the cancel link
XWIKI-11243: Improving display for .xform's .xErrorMsg
XWIKI-11136: Fix the "Message History" column from the Invitation app

 - also avoid conflict with the new general '.checkbox' css rule
XWIKI-10859: The "Change photo" button is not correctly displayed on ie9
Revert "XWIKI-10859: The "Change photo" button is not correctly displayed on ie9"

This reverts commit 7dd48fa817d25b77eb37670b78212188f00722df.
XWIKI-10859: The "Change photo" button is not correctly displayed on ie9
[cleanup] Updated documents to the new xar format.