Substitute param with optional variable.
Add links to platform repos in README.
move fieldmetainfo test to unittests
fieldmeta unittest fixed

add self to test to actually run
wrong unittest import was used
unittest trickery: file must be named *_test.py to be executed
Some style updates.
Merge pull request #5 from scottpurdy/fieldmeta-unittest

My review recommendations
Merge pull request #416 from breznak/fieldmeta-unittest

move fieldmetainfo test to unittests
Merge pull request #417 from scottpurdy/readme

Add links to platform repos in README.
Merge pull request #356 from alexaltair/patch-1

Substitute param with optional variable.
add list FieldMetaType

Conflicts:
	py/nupic/data/fieldmeta.py
init Vector encoder

this encoder takes a list of elements (of same type)
and encodes them.
VectorEncoder: add constructor for OPF version

uses ScalarEncoder and passes all params to it
VectorEncoder: add constructor for SimpleVector - easy to learn
VectorEncoder: add param typeCastFn which casts output from string to type
VectorEncoder add unittests
Vector: decode() output is EncoderResult structure

to fit other Encoders, ...
Vector: add getData() to get data part from decode() result
SimpleVector: make little more customizable