initial integration with the new metadata
fix row count per rowgroup persistence
fix storer problem with page storage
remove string type; make schema in footer use object model; make ints little endian
integrate the schema change from children to parent
optimize buffer copy; revert parent
cleanup string type
better support for plain encoding
generator for the int_test_file
renamed to Plain to match the Encoding name
PLAIN encoding comformance
generate TPCH customer
change children_indices for children_count in schema representation
fix repetition for root
add compression back; make page size configurable; rename children_count to num_children
fix decompression
rework compression
fix PrintFooter; fix string encoding; rewrite split generation; fix block reading logic
split stores
move compression to decode time and fix compressor init overhead