XWIKI-9243: Possible nullpoint in XWikiDocument#getXObjectProperty when asking for object that does not exist
(cherry picked from commit 31b627bda3c4fea07ea661b0548c616f1e2cdfbb)
XWIKI-9253: BaseProperty#setOwnerDocument sets the content as dirty when updating a property
(cherry picked from commit 84c64828717ebe724d7a8b1f44ca49743856d043)
XWIKI-9254: After installing the UI the user isn't taken to the second step of the DW
(cherry picked from commit 79769d13c333cd367496554a515492fab733db51)
XWIKI-9286: Localization module stop searching for translation at the first bundle that contains the key for one of the parent locale of the passed locale
(cherry picked from commit a94ccfa73b91119f28cc8fa5e62ea059ba821fb8)
XWIKI-9286: Localization module stop searching for translation at the first bundle that contains the key for one of the parent locale of the passed locale
* remove code that was committed by mistake
(cherry picked from commit 15492b5410b79e1fa9d0652b43090db450e77b0e)

Conflicts:
	xwiki-platform-core/xwiki-platform-localization/xwiki-platform-localization-sources/xwiki-platform-localization-source-legacy/src/test/java/com/xpn/xwiki/web/XWikiMessageToolBridgeTest.java
XWIKI-9286: Localization module stop searching for translation at the first bundle that contains the key for one of the parent locale of the passed locale
* bad merge
XWIKI-9291: When creating a wiki from template the template history is wiped
(cherry picked from commit eb75065ef8ee41d7d8f3ad8d4d0f347fa03922d9)
Merge pull request #116 from nedgot/stable-5.0.x

XWIKI-7403: Watchlist sometime send mails in the wrong language
make not analyzed field 'hidden' ignored by query stemming XWiki-9232
(cherry picked from commit e74bc120939c3ba600b3add1f36a1e3c9d15f2a5)
change index dir of lucene tests to system temp dir
(cherry picked from commit ad918492a65e24eb07292a179630cff0b8d85cea)