moving 4.0 to branches and 3.3 to trunk
Refactoring core module system: adding new UnitilsConfiguration implementation
the first draft implementation of the io module. 
this one only supports the @fileContent wich can load properties and text files
added the io module to the unitils-default.properties and the parent pom. and added some tests tot the test module for the io stuff.
switched version to 3.3, as it should be.
added a factory to create the fileContentTestListener
added the implemention to override the defaults even more fine grained
added the implemention to override the defaults even more fine grained
IOModule: small refactorings 
removed database dependency
removed slf4j dependency
intellij formatting
removed unused code
updated copyright
Moved implementation to the correct sub package 'impl'
Implemented the choice for the encoding. This goes by the default set in the unitils.properties and can be overriden in the @FileContent if needed.
IOModule: refactoring part one
Renaming IoModule to IOModule
Renaming IoModuleIntegrationTest to IOModuleIntegrationTest
Renaming IoModuleIntegrationTest to IOModuleIntegrationTest
Renaming IoModuleIntegrationTest to IOModuleIntegrationTest
IOModule: clean up + unit testing + javadoc
Added temporarly folder and file support.
added missing files
Added unit test for the composite listener