New architecture with new implementation of CodeSearchEngine<T>,
CodeSearchEngineFileImpl.

Signed-off-by: AndroWiiid <androwiiid@gmail.com>
Merge branch 'master' of https://github.com/AndroWiiid/NavigateXML.git
Rename main classes.

Signed-off-by: AndroWiiid <androwiiid@gmail.com>