LPS-52060 instead of setting portal.dir, which is more strange. Let's use the CI's WORKSPACE dir which should be the right one
LPS-16196 Markplace remote installer does not have a frontend progress indicator at all, don't bother to check the download progress
LPS-47182 Update solr4-shared to not force commits
LPS-52173 Enable periodic autoSoftCommit by default

For performance reasons (LPS-47182) we don't force anymore a hard commit
on every update. This commit showcases how to configure Near Real Time
Searching
(https://cwiki.apache.org/confluence/display/solr/Near+Real+Time+Searching)
to achieve a similar effect.

https://issues.liferay.com/browse/LPS-52173