Merge pull request #38 from chamilo/1.9.x

1.9.x
Removing blank spaces at blank spaces in FIB questions -refs #6810
Removing blank spaces at blank spaces in FIB questions -refs #6810
Removing blank spaces at blank spaces in FIB questions -refs #6810
Indentation
Merge pull request #251 from ycastillo/yoselyn.6810

Fix blank spaces issue in fill-in-the-blanks questions - refs #6810