Fixed memory leak in buildfrommap and made it faster by reducing map lookups (and using unordered_map).
Finished first try implementation of building taily stats from doc
vectors, i.e. buildfromdv and all related scripts. NOT TESTED!
Merge branch 'master' of
ssh://yubink@boston-cluster.lti.cs.cmu.edu/bos/usr0/yubink/svn/tailyImpl

Conflicts:
	Main.cpp
Proper merge from previous conflict. Added back discarded changes.
Debugged buildfromdv
fixed dumpdocvec so it only dumps stopwords