First commit
Add common module.
Add dependencies to common
Add .gitignore and common.iml to common module
Add DataType and Identifier to the data package in common module
Add final modifier to params in DataType
Tests for DataType and Identifier are passing.
Add "array" data type
Add final modifier to "name" in DataType
Add documentation to Patterns - DataType inner class
Begin development of HashBuffer and BufferCounter.
No tests so far.