Install new help files

Change-Id: I8fc26aadfa7509e19a6f4fb5941b6c1eb9cf9258
Reviewed-on: https://gerrit.libreoffice.org/6576
Tested-by: Andras Timar <andras.timar@collabora.com>
Reviewed-by: Andras Timar <andras.timar@collabora.com>
UNO Date/Time conversion functions in "Converting Date/Time Values" help pages

Change-Id: I67608ec843a45b5a342c82a816174acb9391ca73
Reviewed-on: https://gerrit.libreoffice.org/6577
Reviewed-by: Andras Timar <andras.timar@collabora.com>
Tested-by: Andras Timar <andras.timar@collabora.com>
fixup confusion between CDateToUnoTime and CDateToUnoDateTime

Change-Id: Ie3a13726086da113835f54f4eb1c68201edd44f9
Reviewed-on: https://gerrit.libreoffice.org/6582
Reviewed-by: Andras Timar <andras.timar@collabora.com>
Tested-by: Andras Timar <andras.timar@collabora.com>
wrong title

Change-Id: I776db2914bb4e51af35d7c4610d457892b36e9b5
Reviewed-on: https://gerrit.libreoffice.org/6581
Tested-by: Andras Timar <andras.timar@collabora.com>
Reviewed-by: Andras Timar <andras.timar@collabora.com>
fixup examples of CDate(From|To)Uno(Date|Time|DateTime)

also mark them as non-localizable

Change-Id: I547317d52bf08bcfb0954267e25ce5f2881d1c75
Reviewed-on: https://gerrit.libreoffice.org/6578
Reviewed-by: Andras Timar <andras.timar@collabora.com>
Tested-by: Andras Timar <andras.timar@collabora.com>