add 'getEntries' method to imgv2;:ImgReader.
Functions basically completed.

add gtaun/unmm/Utils.hpp, with 'endWith' & 'trim'.
add gtaun/unmm/archive/imgv2/FakeImgGenerator.hpp, to generate fake Img for covering.
add gtaun/unmm/sa/FileProcesser.hpp, to process files in covered directory.
add constant ENTRY_SIZE (32) to imgv2::ImgEntry & add member 'fakeOffset' for generating fake Img.
add constant HEADER_SIZE(8) to imgv2::ImgHeader.
little changes to imgv2::ImgReader.
fix return value type of method 'read' in CoveringMapManager.
basically complete EaxWrapper.cpp with above classes.

Signed-off-by: Shindo Wu <cn.shindo@gmail.com>
add 'std::shared_ptr' to 'reader' & 'mapManager' in FakeImgGenerator.
delete 'operator bool()' in ImgReader.
modify EaxWrapper.cpp to adapt above changes.

Signed-off-by: Shindo Wu <cn.shindo@gmail.com>