more tests and bug fixing the Bit packing
implement byte based batch bit packing
move simple RLE to generated bit packing
remove broken reader/writer
address review comments by @squarecog
integrate the new bit packing for perf
Merge branch 'master' into rle
make field private; add braces for one line if statements
use BytesUtils.paddedByteCountFromBits everywhere
make initial capacity a constant
make a constant for constant value; remove outragous System.out.println()
add new line
rename fromSequence to concat
cleanup import
Merge branch 'master' into rle
skeleton for an efficient converter from groups to cascading tuples
working selective tuple materialization for cascading
short class comment for the TupleScheme
Treat Fields.UNKNOWN as Fields.ALL
Use a simpler serialization for cascading Fields to be compatible with older cascading versions