adding more questions to the faq

fixes #1748 fixes #1747 fixes #1746 fixes #1745 fixes #1744 and refers to #728
fixes #1742 the import was not creating a header if the import was fewer than 3 rows. now it will detect different line endings and generate a blank header cells even if the data is just 1 or 2 rowss
Merge pull request #1749 from cesine/master

fixes from sikuli tests