XWIKI-12912: Improve authorization checks based on the current user for accessing a VFS attachment archive
* remove unused import

XWIKI-12912: Improve authorization checks based on the current user for accessing a VFS attachment archive

XWIKI-13771: Make XWikiCacheStore#flushCache() empty the cache instead of trying to create a new one

XWIKI-13748: Save embedded images that use Data URI as attachments when importing an office document
* update jacoco setup

XWIKI-13742: Put back XWikiDocument#getRenderedContent(String) behavior and move the safeguard at Document level

        XWIKI-13748: Save embedded images that use Data URI as attachments when importing an office document
        * use code compatible with Java 7

    XWIKI-13748: Save embedded images that use Data URI as attachments when importing an office document
    * use code compatible with Java 7

XWIKI-13748: Save embedded images that use Data URI as attachments when importing an office document
* use code compatible with Java 7

XWIKI-13766: When uninstalling a XAR pages which are part of several extensions are sometimes selected
XWIKI-13764: XAR extension pages index is not properly filled at init

XWIKI-13742: Put back XWikiDocument#getRenderedContent(String) behavior and move the safeguard at Document level

XWIKI-13742: Put back XWikiDocument#getRenderedContent(String) behavior and move the safeguard at Document level

XWIKI-13742: Put back XWikiDocument#getRenderedContent(String) behavior and move the safeguard at Document level

- Deprecating “xe.xwiki.space” since XWiki.WebHome was the only place
we were using it

XWIKI-13756: Repository extension update might end up deleteding and recreating the same dependencies over and over

* fix/improve javadoc

XWIKI-13724: ComponentManager does not support nested spaces
* fix @since (need to get used to not having milestones anymore)

XWIKI-13724: ComponentManager does not support nested spaces

XWIKI-13752: Introduce a new Context macro parameter to control the execution environment for macros inside it

XWIKI-13752: Context Macro cannot be used to display a TOC for another document when the headings are generated