XPath: allow * in node selectors such as abc/*
Bugfix: right aligned text
Merge branch 'hotfix_v1.6' into develop

* hotfix_v1.6:
  Bugfix: right aligned text
Bugfix: adjusted text is too wide

With left-/rightaligned and centered text the resulting text was too wide in
some cases. It looks as if the glue_spec that has shrinkability was replaced
by a glue_spec larger than that.

From hotfix_v1.6
Image: default width is at 100% area width

plus other source code cosmetics