add toUpperCase operator to model
generate Upper case operator diagram code
add generated uppercase model and impl classes
add uppercase operator to DataMapperPalleteFactory
add adit code for for upper case operator
set basic operator model to uppercase opperator
update uppercase operator UI
add uppercase operator transformer
change config generation logic in Upper/Lowercase classes
fix Upper/Lower case trasnformer logic error
Merge pull request #48 from lsdeva/master

toUppercase Operator,  change config generation logic in transformer classes
Merge pull request #39 from wso2-dev/master

Merge pull request #27