add 'Array Output' property for split operator
replace string values with constants. improve code readability
Merge pull request #26 from wso2-dev/master

Data Mapper config generation code refactoring and function building
Merge pull request #27 from wso2-dev/master

pull before commit 4/23
TOOLS-2435
map split operator result array
Merge pull request #38 from lsdeva/master

TOOLS-2435 map split operator result array