Junhui's implementation of soft syntax constraint features
Merge branch 'const_reorder' into softsyn
Remove synutils.h in ff_soft_syn.cc
Merge branch 'const_reorder' into softsyn
Use ff_const_reorder_common.h instead of tree.h
Remove unnecessary state from SoftSynFeature
Remove unused code
Merge branch 'const_reorder_no_state' into softsyn
Merge branch 'softsyn' into softsyn_2
Remove index mapping; also read from attribute "src_tree"
Merge branch 'const_reorder_2' into softsyn_2
Merge branch 'const_reorder_2' into softsyn_2
Merge pull request #64 from kho/softsyn_2

Proper implementation of soft syntactic constraint features