add dependency
reformat code
add dependencies in autotools
make CStringIndexSet::m_StorageFile memory mapped
use extra copy of m_StorageFile in CStringIndexSet::DumpStorage
make CreatePartitionStorage static
reformat source code
make SaveOnePartOfUnionTokenStorage static classless
memory mapped files for main inverted index
create CFileOrMemoryMappedFile: use memory map or fseek&fread