Fixed issue #8892: Missing translation
Fixed issue #8893: Missing translation
Fixed issue #8895: Missing translation
Fixed issue #8894: Error when importing an invalid file
Merge pull request #184 from ravindrakhokharia/master

Fixed issue #8857: Fixed issue of type casting and return number value
Fixed issue #8856: It should not add the datatype tag for the key value which breakes response when converted to array
Merge branch 'master' of https://github.com/LimeSurvey/LimeSurvey
Merge branch 'master' of https://github.com/ravindrakhokharia/LimeSurvey

Conflicts:
	application/libraries/BigData.php