Moved steps to reproduce to the top

This prevents people to put their steps into the "Expected" section.
It is better to first read the steps to find out how users reached the
issue, then see what was expected and actually happened.
Added explicit quota + encryption questions
Added boldening of entries for readability
Removed quota question
Merge pull request #6892 from owncloud/issuetemplate-enhancements

Issue template enhancements