Implements support for ODF fo:text-align start and end in paragraph styles. The new alignment options can be selected in the paragraph dialog. Further user interface changes are tracked as separate bugs. This change also adds START and END to css.style.ParagraphAdjust, which is flagged as an incompatible UNO API change. Change-Id: I2ee57f0029de7b794bc1ecd3eddbbd90af5dfdb9 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/192932 Tested-by: Jenkins Reviewed-by: Jonathan Clark <jonathan@libreoffice.org>