Skeleton sparse reordering feature
Set dense feature count to 0
Pairs of non-terminals
Sparse reordering for non-terminal pairs
Configuration
Merge branch 'master' into sparse-reordering

Conflicts:
	moses/FF/Factory.cpp
Extract blocks
Merge branch 'master' into sparse-reordering
Prints out feature values
vocabulary, type configuration
Convert to stateless
feature name
Merge branch 'master' into sparse-reordering
Renamed
stub out unit test
Merge remote-tracking branch 'origin/master' into sparse-reordering

Conflicts:
	moses/FF/Factory.cpp
Should be with other LR classes
fix includes
Stub out sparse reordering class
Configuration