new data page and stats
fix errors
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Add specification for delta encoding.
Add spec for blocked strings encoding.
change distinct values to distinct count

distinct values can be fetched from the dictionary page
update delta encoding
update delta encoding
remove delta_rle from spec as its been replaced by delta_binary_packing
fixed lengths in example representation
Merge pull request #66 from Parquet/block_strings

Block strings
Change delta string to use delta_binary_packing for prefix lengths and delta_length_byte_array for suffixes.
Merge branch 'master' into delta-strings

Conflicts:
	Encodings.md
	src/thrift/parquet.thrift
Merge branch 'delta_encoding'

Conflicts:
	Encodings.md
	src/thrift/parquet.thrift
refactor documentation for 2.0 encodings
Merge pull request #71 from Parquet/format_2.0_refactor

refactor documentation for 2.0 encodings
more elaborative wording around is_compressed
Merge branch 'master' into new_data_page_type
Merge branch 'new_data_page_type' of github.com:Parquet/parquet-format into new_data_page_type
updating based on review