new data page and stats
fix errors
change distinct values to distinct count

distinct values can be fetched from the dictionary page
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
format
deprecate and remove group_var_int encoding
Merge pull request #73 from Parquet/reformat_delta

reformat encodings
add mention of boolean on RLE
Merge pull request #76 from Parquet/boolean_rle_encoding

add mention of boolean on RLE
Merge pull request #74 from Parquet/remove_group_var_int

deprecate and remove group_var_int encoding
Merge branch 'master' into new_data_page_type
address review comments: default value and unused field
Merge pull request #64 from Parquet/new_data_page_type

new data page and stats
Merge branch 'master' into refactor_dictionary_encoding

Conflicts:
	src/thrift/parquet.thrift