* Update helpcontent2 from branch 'master'
  - Bug 107930 - Help needs to be corrected and amended for Recalculation
    
    add 'recalculate' bookmark_value to 06080000.xhp and 06070000.xhp,
    created 'exnbr' section in 00000406.xhp for 'Tools -> Options ->
    LibreOffice Calc -> Formula' and added 'embed' tag to 01060900.xhp
    changed 00000406.xhp LibreOffice text to %PRODUCTNAME
    
    Change-Id: Id3c6dffd31b1b72a854a5bd11902d2c22109900a
    Reviewed-on: https://gerrit.libreoffice.org/67237
    Tested-by: Jenkins
Reviewed-by: Olivier Hallot <olivier.hallot@libreoffice.org>