Merge pull request #22 from wso2-dev/master

adding avro datam write pattern to format the output data
config generator
Merge branch 'master' of https://github.com/lsdeva/developer-studio

merge
Merge pull request #23 from wso2-dev/master

Applying a patch from Paraparan for fixing TOOLS-2426.
update .function package
OperatorConfigurationUtil update
one to one mapping config geneartion for RECORDs
generate configuration for array type tree element.
remove 'return' from every function.
implement code generation for concat operator
add property for concat and split for define delimiter.
impelement DataMapperTransformerRegistry.
Add menu context to change output connectors of Split operator
implement code generation class for split operator
handle split operator default delimiter
CSV input data reader is added
removed unused imports
Merge branch 'master' of https://github.com/wso2-dev/developer-studio
set new configuration transformer class in DataMapperMultipageEditor,
add FunctionBuilder
Fixing TOOLS-2380
Merge pull request #24 from wso2-dev/master

Merge branch 'master' of https://github.com/wso2-dev/developer-studio